VML C R

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VML
CUSTOMER REQUEST FORM
1. Lead Researcher:
Personal details and contact information of lead researcher
Name
Institution or Organisation
Address
Telephone No
Email
Date of Birth
Nationality
2. Researcher Team:
If you are leading a research team, please provide the names and details of all members of the
team. Please add more tables if required.
Name
Institution or Organisation
Telephone No
Email
Date of Birth
Nationality
Name
Institution or Organisation
Telephone No
Email
Date of Birth
Nationality
3. Research Team Access:
If you are leading a research team, please indicate which members of your research team will be
visiting the VML to access the micro-data and whether or not they have used the facility
previously.
Name
Access to MicroData
Previous VML
User
Page 1/18
4. Location:
Which Virtual Micro-data Laboratory (VML) location do you wish to visit to access the micro-data?
VML Newport
VML London
VML Titchfield
VML Glasgow
VML Belfast (NISRA)
VML Belfast (Invest NI)
Remote VML Government Department
5. Title of the research proposal:
6. Abstract of the research proposal:
Please include reference to the project’s statistical purpose (up to 50 words), e.g. matching data
sets, econometric analysis.
7. Full Description:
Please provide a full and detailed description of the purpose/s for which the micro-data is/are
requested, describing the aims of the study/research. Where research is part of a larger
programme, please include details below. Alternatively you can attach the information in a
separate document.
8. VML Justification:
In order to justify as to why access to detailed micro-data is needed, please state why other data
sources are not sufficient for your purpose/s
9. Publications:
Please indicate the intended outputs/publications arising from the use of this data
Refereed journals
Report for Government Department
Report for Research Councils
Report for other sponsors
Internal ONS reports
Other; please specify:
Page 2/18
10. Funding:
Please indicate the source of funding for your project alongside the following headings
Office for National Statistics
Other Government Department; please specify:
Research Council; please specify:
Charitable Foundation; please specify:
Other; please specify:
Unfunded
11. Duration of access:
Please indicate the period of time that you require access to the VML and micro-data
From
To
12. Type of Data:
Please indicate which data set you require to access:
Business / Social Survey micro-data (please continue with part A on page 3)
ONS Longitudinal Study (please continue with part B on page 5)
Page 3/18
SUPPLEMENT PART A
Access to ONS Micro-data in the Virtual Micro-data Laboratory
A1
Themes:
Please indicate the main theme(s) of your project
Capital &
investment
Globalisation,
outsourcing,
international
Demography
Health and safety
Earnings
Employment &
labour markets
Energy &
environment
ICT & New economy
Programme
evaluation
R&D, innovation
Industrial location
Region
Industry studies –
manufacturing
Industry studies –
services
Macro-micro linkages
Skills and
productivity
Entrepreneurship
Finance
A2
Methodology
Other (please specify):
Dataset:
Which data set(s) do you intend to use for your study? See Annex A for more details
ABS
EBS
NESS
AFDI
ESS
OPSS
APS
E-Commerce
PPI
APS Wellbeing
ARD2 (+BRES,
ABS)
ARDX
GHS/GLF
PRODCOM
Financial Enquiries
QCAS
IIA
QCES aka CAPEX
ASHE
BERD
Births
BRES
BSD (IDBR)
BSD Longitudinal
Capital Stock
IPO
ITIS
LBS
LCFS
LFS
LS (see Annexe B)
MBS
QFI
RPI
SBS
SESS
SIES
SRE
Vacancies
CEEDR
CIS
CORE
CPI
MIDSS
MPI
MQ5
MWSS
NES ( see also
ASHE)
WAS
WERS
WFJ
CSEW
Other: please specify
in Section A3
Page 4/18
A3 If using other datasets, please provide a description of each
Name
A4
Description
Do you have data
owner permission
to use data in
VML?
Will it be matched
to any other
sources, and how?
External Data:
Do you wish to bring external micro-data into the VML?
Yes
No
If yes, do you require micro-data to be matched to ONS business data sets?
(If requested, the VML team will discuss this service with you in further detail.)
Yes
No
Page 5/18
SUPPLEMENT PART B
Access to the ONS Longitudinal Study
B1 Please indicate the main theme(s) of your project:
Ageing
Ethnic minority
populations
Childhood and
Youth
Health and mortality
Housing and
households
Internal migration,
population distribution
and environment
Other, please specify:
B2 Will you require access to your Longitudinal Study Research Version data extract at the
Virtual Microdata Laboratory?
Yes
No
B3 Location(s) where analysis of outputs will be conducted
Only outputs that have been disclosure checked will be released from the VML to Approved
Researchers. You must specify the details of all locations where these outputs will be accessed.
In case of more than one location, please give also details for all sites where research will be
conducted.
Organisation:
Address:
Country:
B4 In regards to a secure use of the data, please state measures in place to protect the
technical and physical security and confidentiality of outputs.
Refer to the Guide to Good Practice: Microdata Handling and Security before proceeding:
http://www.esds.ac.uk/news/microDataHandlingandSecurity.pdf.
B5 Provide a description of the population selected for the study:
(For example, all female LS members enumerated at the 1971 and 2011 Censuses and aged 1649 years at the 1971 Census).
B6 What files will the data be drawn from?
See Annex A for a description of the data in each of the LS files.
Census data
Events data
1971
Yes /
No
1981
Yes /
No
1991
Yes /
No
Births of
LS member
Births to
LS member
Cancer
registrations
Events dates
Yes /
No
Yes /
No
Yes /
No
From:
To:
From:
To:
From:
To:
Page 6/18
2001
Yes /
No
2011
Ecological
variables
Yes /
No
Yes /
No
Other census data:
Deaths of
LS member
Yes /
No
From:
To:
Other events data:
From:
To:
From:
To:
B7 What variables will you need?
If possible, please list in more detail the variables you need. This section should be completed
using the LS Data Dictionary. A few selected variables are listed in Annex B. Otherwise, give a
broad indication of the type of variables you are likely to use. This is to assist with the creation of
your data extract. Should additional variables from the LS Research Version be needed for the
same project, you will not be required to reapply.
Filename
Name of variable
Short description of variable
B8 Derived variable(s):
List the input variables to be used in the derivation and, where possible, show how the variable
will be derived.
(Example: Number of earners in the LS household in 1981 derived using input variables: AGE8,
SEX, ECONACT8, and URESIND8. Algorithm: count of people in a household who are usually
resident, for whom ECONACT = 1 or 2 and age is 16-65 years for men or 16-60 years for
women.)
B9 In summary:
Number of variables to be investigated (approximate):
Estimate of number of subjects in study population:
Page 7/18
B10 What outputs will you need from the Longitudinal Study?
(Please tick those that apply)
SPSS
Stata
SAS
Plain
text file
Excel
Other (specify):
Cross tabulations
Aggregated data set of
frequency records
Regression coefficients
B11 Will you do further output manipulation at your own site using disclosure-controlled
outputs?
Yes
No
B12 Cross-classification of some variables (e.g. ethnicity, rare causes of death, small
geographical areas) may breach confidentiality. If this happens would you accept
outputs which are further aggregated?
Yes
No
B12 Other comments:
A User Support Officer should complete the following section. It applies to work
carried out within the ONS.
B14 Name and employer of person expected to extract and prepare the data from the
Longitudinal Study:
B15 Source(s) of data:
Model 204 database:
LSLOAD:
Yes
Yes
No
No
B16 What software packages will be needed to produce the output from the LS?
SAS
SPSS
STATA
MlWin
Yes
Yes
No
No
Yes
Yes
No
No
Other (please specify)
B17 Will ONS need to add the user’s own look-up tables to the LS data?
Yes
No
Page 8/18
ANNEX A - DATASETS HELD IN THE VML
Acronym
Full name / links
Annual Business Survey
ABS
http://www.ons.gov.uk/ons/guide-method/method-quality/specific/businessand-energy/annual-business-survey/index.html
https://discover.ukdataservice.ac.uk/catalogue/?sn=7451&type=Data%20catal
ogue
AFDI
Annual Inquiry into Foreign Direct Investment
http://discover.ukdataservice.ac.uk/catalogue/?sn=6664&type=Data%20catalo
gue
http://www.ons.gov.uk/ons/about-ons/get-involved/taking-part-in-asurvey/information-for-businesses/a-to-z-of-business-surveys/foreign-directinvestment-surveys--fdi-/index.html
ARD2
Annual Respondents Database (replaced from 2009 with BRES and ABS)
http://www.statistics.gov.uk/cci/article.asp?id=1556
http://discover.ukdataservice.ac.uk/catalogue/?sn=6644&type=Data%20catalo
gue
ASHE
Annual Survey of Hours and Earnings (see also NES and NESPD, which the survey
replaced in 2004)
http://discover.ukdataservice.ac.uk/catalogue/?sn=6689&type=Data%20catalo
gue
http://www.ons.gov.uk/ons/guide-method/method-quality/specific/labourmarket/annual-survey-of-hours-and-earnings/new-annual-survey-of-hoursand-earnings.html
BRES
Business Register and Employment Survey
http://www.ons.gov.uk/ons/guide-method/method-quality/specific/labourmarket/business-register-and-employment-survey--bres-/index.html
http://www.nomisweb.co.uk/articles/526.aspx
BERD
Business Enterprise Research & Development
http://www.ons.gov.uk/ons/guide-method/method-quality/specific/businessand-energy/research---development-surveys/index.html
http://discover.ukdataservice.ac.uk/catalogue/?sn=6690&type=Data%20catalo
gue
BSD
Business Structure Database
http://discover.ukdataservice.ac.uk/catalogue/?sn=6697&type=Data%20catalo
gue
Page 9/18
1. http://www.ons.gov.uk/ons/rel/elmr/economic-and-labour-market-review/no-6--june-2009/methods-explained--business-structure-database.pdf
CIS
Community Innovation Survey
http://discover.ukdataservice.ac.uk/catalogue/?sn=6699&type=Data%20catalo
gue
http://www.berr.gov.uk/dius/innovation/innovationstatistics/cis/page10957.html
CSEW
Crime Survey of England and Wales
http://www.ons.gov.uk/ons/guide-method/method-quality/specific/crimestatistics-methodology/index.html
http://discover.ukdataservice.ac.uk/?q=CSEW
EBS
English Business Survey
http://discover.ukdataservice.ac.uk/catalogue/?sn=7113&type=Data%20catalo
gue
http://www.ebsurvey.co.uk/
ECommerce
E-commerce survey
http://www.ons.gov.uk/ons/guide-method/method-quality/specific/businessand-energy/e-commerce-and-ict-activity/index.html
http://discover.ukdataservice.ac.uk/catalogue/?sn=6700&type=Data%20catalo
gue
GHS/GLF
General Household Survey/General Lifestyle Survey
http://www.ons.gov.uk/ons/guide-method/method-quality/specific/social-andwelfare-methodology/general-lifestyle-survey/index.html
http://discover.ukdataservice.ac.uk/?q=GLF
ICT Capital
Stock
ICT Capital Stock dataset
http://discover.ukdataservice.ac.uk/catalogue/?sn=6698&type=Data%20catalo
gue
www.esds.ac.uk/doc/6698/mrdoc/pdf/6698userguide.pdf
IIA
Investment in Intangible Assets
http://discover.ukdataservice.ac.uk/catalogue/?sn=6701&type=Data%20catalo
gue
ITIS
International Trade in Services
http://www.ons.gov.uk/ons/guide-method/methodquality/specific/economy/international-trade-in-services/index.html
http://discover.ukdataservice.ac.uk/catalogue/?sn=6711&type=Data%20catalo
gue
Page 10/18
LCFS
Living Costs and Food Survey
http://www.ons.gov.uk/ons/about-ons/get-involved/taking-part-in-asurvey/information-for-households/a-to-z-of-household-and-individualsurveys/living-costs-and-food-survey/index.html
http://discover.ukdataservice.ac.uk/series/?sn=2000028
LFS / APS
NB: the APS is the LFS with a population boost.
Labour Force Survey
http://www.ons.gov.uk/ons/guide-method/method-quality/specific/labourmarket/labour-market-statistics/index.html
http://discover.ukdataservice.ac.uk/series/?sn=2000026
Annual Population Survey
http://discover.ukdataservice.ac.uk/series/?sn=200002
http://www.nomisweb.co.uk/articles/676.aspx
LS
Longitudinal Survey
http://www.ons.gov.uk/ons/guide-method/user-guidance/longitudinal-study/index.html
MBS
Monthly Business Survey
http://www.ons.gov.uk/ons/guide-method/method-quality/quality/qualityinformation/business-and-energy/monthly-business-survey.pdf
MIPS/
MIDSS
Monthly Inquiry into Distributive and Service Sectors
http://discover.ukdataservice.ac.uk/catalogue/?sn=6747&type=Data%20catalo
gue
www.ons.gov.uk/ons/guide.../monthly-inquiry-into-the-distribution.pdf
MPI
Monthly Production Inquiry
http://discover.ukdataservice.ac.uk/catalogue/?sn=6726&type=Data%20catalo
gue
www.esds.ac.uk/doc/6726/mrdoc/pdf/6726userguide.pdf
MQ5
Investment funds, Pensions, Insurance etc.
http://www.ons.gov.uk/ons/guide-method/methodquality/specific/economy/investment-by-insurance-companies/index.html
http://discover.ukdataservice.ac.uk/catalogue/?sn=7155&type=Data%20catalo
gue
Page 11/18
MWSS
Monthly Wages and Salaries Survey
http://discover.ukdataservice.ac.uk/catalogue/?sn=6702
http://www.ons.gov.uk/ons/about-ons/get-involved/taking-part-in-asurvey/information-for-businesses/a-to-z-of-business-surveys/monthly-wagesand-salaries-survey/index.html
NES
New Earnings Survey (see also ASHE, which replaced NES in 2004)
http://discover.ukdataservice.ac.uk/catalogue/?sn=6704&type=Data%20catalo
gue
NESPD
New Earnings Survey Panel Dataset (see also ASHE, which replaced NES in 2004)
http://discover.ukdataservice.ac.uk/catalogue/?sn=6706&type=Data%20catalo
gue
NESS
Employers Skills Survey
http://discover.ukdataservice.ac.uk/catalogue/?sn=7430&type=Data%20catalo
gue
http://www.ukces.org.uk/ourwork/employer-skills-survey
OPSS
Occupational Pensions Scheme Survey
http://discover.ukdataservice.ac.uk/catalogue/?sn=6707&type=Data%20catalo
gue
http://discover.ukdataservice.ac.uk/catalogue/?sn=6707&type=Data%20catalo
gue
PRODCOM
Prodcom Survey
http://www.ons.gov.uk/ons/guide-method/method-quality/specific/businessand-energy/manufacturing/index.html
Prices (CPI/
RPI / PPI)
Prices Surveys
http://discover.ukdataservice.ac.uk/catalogue/?sn=7022&type=Data%20catalo
gue
http://www.ons.gov.uk/ons/guide-method/methodquality/specific/economy/cpi-rpi/index.html
QCES or
CAPEX
QFI
Quarterly Capital Expenditure Survey
http://discover.ukdataservice.ac.uk/catalogue/?sn=6708&type=Data%20catalo
gue
Quarterly Fuels Inquiry
http://discover.ukdataservice.ac.uk/catalogue/?sn=6898&type=Data%20catalo
gue
www.esds.ac.uk/doc/6898/mrdoc/pdf/6898userguide.pdf
Page 12/18
Scottish
Employer
Skills
Survey
Scottish Employer Skills Survey
Scottish
Register of
Employmen
t
Scottish Register of Employment
SBS
Contact us
http://discover.ukdataservice.ac.uk/Catalogue/?sn=4085&type=Data%20catal
ogue
Small Business Survey
http://discover.ukdataservice.ac.uk/catalogue/?sn=6856&type=Data%20catalo
gue
Wealth &
Assets
Survey
Wealth & Assets Survey
http://www.ons.gov.uk/ons/guide-method/methodquality/specific/economy/wealth-and-assets-survey/index.html
http://discover.ukdataservice.ac.uk/series/?sn=2000056
WERS
Workplace Employment Relations Survey
http://www.esrc.ac.uk/research/surveys/wers/index.aspx
http://discover.ukdataservice.ac.uk/?q=WERS
Vacancies
o
Vacancies Survey
www.nomisweb.co.uk/articles/133.pdf
Page 13/18
ANNEX B: ONS LONGITUDINAL STUDY - FILES CONTAINING DATA ON LS
MEMBERS
Commonly-used files
File description
Filename
Description
Core file
core
C
1971 Census LS members
me71
Core number for each member, sex, year of
birth, presence at Census & tracing
indicators
Census data on LS members
C
1981 Census LS members
me81
Census data on LS members
C
1991 Census LS members
me91
Census data on LS members
C
2001 Census LS members
me01
Census data on LS members
C
me11
E
2011 Census LS members
1971 Census non LS
members
1981 Census non LS
members
1991 Census non LS
members
2001 Census non LS
members
2011 Census non LS
members
New births
E
Immigrants
immg
E
Deaths
deth
E
Embarkations
embr
Census data on LS members
Census data on people living with LS
members
Census data on people living with LS
members
Census data on people living with LS
members
Census data on people living with LS
members
Census data on people living with LS
members
Births of new LS members; added to LS
Immigrations of new LS members; added to
LS
Deaths of LS members; leave LS
permanently
Emigrations; no further events; can re-enter
E
Cancer registrations
Live births to sample
mothers
Still births to sample
mothers
canc
Cancers registered to LS members
lbsm
Records of births to female LS members
sbsm
Records of stillbirths to female LS members
geog
Small-area statistics; assigned to
geographical areas (1971 only)
C
C
C
C
C
E
E
C
Ecological variables
nm71
nm81
nm91
nm01
nm11
nbir
C - Census data files. E - Events files.
Page 14/18
Other files available
File description
C
C
1981 Census absent usually
resident LS members
1981 Census non-LS
members in households
with an absent usually
resident LS members
Filename
Description
am81
Census data for LS members away at
Census
na81
Census data on people living with LS
member who was away at Census
C
1991 Census absent usually
resident LS members
am91
Census data from LS members usual
residence for LS members away at the
Census
C
1991 Census non LS
members in households
with an absent usually
resident LS members
na91
Census data on people living with LS
member who was away at Census
C
2001 Census multiple
enumerated LS members
mm01
C
2001 Census non-LS
members in households
with multiple enumerated LS
members
mn01
E
Live births to sample fathers
lbsf
E
Still births to sample fathers
sbsf
E
Infant mortality
idmi
Census data from multiple enumerated LS
members – secondary and subsequent
enumerations.
Census data for people enumerated with
multiple enumerated LS members –
secondary and subsequent enumerations of
LS members
Records of births to male LS members
(1971-78, 81 only)
Records of stillbirths to male LS members
(1971-78, 81 only)
Infant deaths to a birth to a sample mother
E
Infant mortality
idfi
Infant deaths to a birth to a sample father
E
Widow(er)hoods
wdow
Deaths of LS members’ spouses
E
Enlistments
enls
E
Re-entrants
reen
E
Long stay psychiatric
psyc
Enlistments into the armed forces
Re-entry to LS after a previous embarkation
of an LS member
1971-83 only, not more than 60 a year
C Internal migration
ifpc
C - Census data files. E - Events files.
1971-74 only
Page 15/18
ANNEX C: ONS LONGITUDINAL STUDY - STARTER VARIABLE LIST
Here is a selection of variables from the Longitudinal Study that are commonly used. They
should help get you started when specifying your extract.
Key population selection variables
Description
Case number identifying LS members
Present on every file
Year of birth
Age at 1971 Census
Age at 1981 Census
Age at 1991 Census
Age at 2001 Census
Age at 2011 Census
Indicator of discrepancy in date of birth
data
Sex
Indicator of discrepancy in sex data
Presence at 1971, 1981, 1991, 2001 or
2011 Census
Indicator of period LS member was traced
Identifies whether person is usually
resident or a visitor to the household
Relationship of non-LS Member to LS
Member
Variable Name
coreno
Filename
core
dobyr
age7
age8
age9
agep0
agep11
dob001 to dobd006
core
me71
me81
me91
me01
me11
core
sex
sexd001 to sexd006
hiscen71
hiscen81
hiscen91
hiscen01
hiscen11
trace
visind7
uresind8
uresind9
uresindp11
lsrelat7
nlsrelt8
nlsrelt9
lsrelat0
lsrelat11
core
core
core
Variable Name
bidyabm
bimtabm or
biyrabm edatebm
dedybde
demtbde or
deyrbde edatede
evdybir
evmtbir
or
evyrbir
edateir
biyranb
Filename
Lbsm
evdyeem
evmteem
evyreem
eventord
Embr
core
me71
me81
me91
me11
nm71
nm81
nm91
nm01
nm11
Key event selection variables
Description
Day, month and year of live birth to
sample mother
Day, month and year of death
Day, month and year of immigration
Year of birth of members born into the LS.
Day and month are protected
Day, month and year of embarkation
Shows date order of events in each event
file
Deth
Immg
Nbir
or
edateem
lbsm, deth,
immg, nbir,
canc, embr
Page 16/18
Other useful variables
Description
Housing tenure (missing for
people in communal
establishments)
Standard region of usual
residence
(1971-1991)*
Government Office region
2011
Economic position
Social class
National Statistics SEC (NSSEC)
Marital status
Number of children ever
born within marriage to 1971
Census
Ethnic group
Minimal household unit
variables: can be used to
identify families / couples,
members position in them &
people in communal
establishments
Type of communal
establishment
me71
tenure7
me81
tenure8
me91
tenure9
me01
tenh0
me11
tenh11
strgx7
strgxua8
srguaea9
gors0
gor11
econp7
econact8
soc8
marstat8
NS-SEC at
1991**
marstat9
ecop80
ecop0
Social
class at
2001**
nssp0
ecop81
socs7
econpo89
econpo9
sclas9
mstp0
mstp11
ethgrp0
ethgrp11
marcon7
numch7
ethor7
ethorx7
mhutyp7
mhupos7
mhucom7
ethnic9
soc0011
nssp11
mhutyp8
mhutyp9
mhupos8 mhupos9
mhucom8 mhucom9
mhutyp11
mhutyp0
mhupos0 mhupos11
mhucom0 mhucom11
nonprie8
cetc0
estabty9
cetc11
* An algorithm is available to convert standard region to government office region
** Under development
Other variables for 2011 Census data in the LS
This is a list of some of the commonly used 2011 Census variables on the file for LS
Members (ME11). There will be an equivalent variable on the file for non-members (NM11),
if appropriate.
Imputation indicators for variables, which indicate whether a value has been imputed or not,
can be found in the Data Dictionary and end in IMP (eg AGEP11_IMP is the imputation
indicator for AGEP11). Note that imputation indicators have not been computed for all
derived variables.
Presence at
Census
Personal
Accommodation
Description
Variable
Name
Present at 2011 Census indicator
Multiple Enumeration indicator 2011
Age 2011
Marital status 2011
Student indicator 2011
Term-time address indicator 2011
Household tenure 2011
Owns/Rents 2011
Landlord 2011
Number of cars 2011
Hiscen11
Mtype11
Agep11
Mstp11
Stup11
Ttind11
Tenh11
Ownren11
Lanh11
Cavh11
Page 17/18
Communal
Establishment
Occupation
Qualifications
Migration
Health
Ethnicity &
Religion
Family &
Household
Central Heating 2011
Establishment type 2011
Management type (Communal Establishment)
2011
Combined type and management (Communal
Establishment) 2011
Occupation 2011
SOC 90 code 2011
NS-SEC 2011
Employment type 2011
Economic position (coded for compatibility with
1981, 1991 & 2001) 2011
Economic activity 2011
Supervisor 2011
Industry 2011 (SIC92)
Hours worked 2011
Qualifications 2011
Highest qualification 2011
Usual address 1 year ago 2011
Distance of move between 2010 and 2011
censuses (in kms)
10 year migration indicator 2011
Cnhh11
Cetc11
Cemtype11
Government Office region 2011
Limiting long-term illness 2011
Health 2011
Carer 2011
Ethnic Group 2011
Ethnicity 2011
Practising religion 2011 (voluntary question)
Country of birth 2011
Relationship to LS member 2011
Family reference person
Household reference person
Family status 2011
Family type 2011
Generation in family 2011
Family type in generation 1. 2011
Family type in generation 2. 2011
Number of dependent children in household
2011
Household size 2011
Household composition 2011
Minimal Household type 2011
Position of LS member within MHU 2011
Combination of MHUs within household 2011
Gor11
Illp11
Heap11
Help11
Ethgrp11
Ethp11
Relp11
Cobp11
Lsrelat11
Frpp11
Hrpp11
Fmsp11
Fmtfam11
Geninfam11
ft111
ft211
Dpch11
Cectmc11
Occp11
Soc0011
Nssp11
Emtp11
ecop81
Ecop11
Sump11
Indp11
Houp11
Qup11
Hlqp11
Migp11
dismov11
Mig1011
Sizh11
Hhch11
Mhutyp11
Mhupos11
Mhucom11
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