Additional file 1: Summary description of the 41 samples included in the worldwide genotyping survey Pop. a Code Sampling location Population (No. of individuals) Description No. of screened variants Nhb Hc sub-Saharan Africans (452) 1 Tswana (101)1 South Africa Tswana-speaking people from the North-West Province. They were all healthy volunteers and were part of Transition and Health during Urbanization of South Africans (THUSA) study. 7 12 0.8589 2 Ateke Bantus (50)2 Gabon Healthy donors 7 12 0.8091 3 Bakola Pygmies (40)2 Cameroon Healthy donors 7 7 0.7108 4 Baka Pygmies (30)2 Cameroon Healthy donors 7 8 0.8237 Nigeria Samples collected in a particular community in Ibadan, from individuals who identified themselves as having four Yoruba grandparents (HapMap sample). 6 7 0.8314 Senegal Healthy unrelated individuals from the Niohkolo Mandenka population. 7 11 0.8168 Mali Unrelated healthy non-caste Dogons collected in 6 villages in the district of Sangha, Republic of Mali. 7 12 0.8228 Somalia Healthy donors 7 6 0.7066 Morocco Healthy donors 7 6 0.6583 3 5 Yoruba (60) 6 Mandenka (97)4 5 7 Dogons (50) 8 2 Somali (24) d North Africans (44) 9 Moroccans (44)2 Europeans (3,570) 10 Spanish (258)6 Spain Healthy, unrelated white Spanish volunteers. All subjects were in good health and with no antecedent of disease. Most subjects were medical students from Extremadura (Badajoz, Spain) and the surrounding area. 7 8 0.6541 11 Sardinians (49)2 Sardinia Healthy donors 7 5 0.6230 France Unrelated, healthy French Caucasians. 7 7 0.7027 12 French (60) 5 13 French-Canadians (291) 14 UK Caucasians (112)1 15 US Caucasians (387) 8 16 17 7 e Canada Healthy controls randomly selected from a large institutional DNA bank. They were all of French origin and resided in the Province of Quebec, Canada. 5 7 0.6759 United Kingdom Healthy volunteers from the Cambridge area. 7 9 0.6883 United States Non-cancer women of European origin residents of Iowa, from a nested case-control study of the Iowa Women's Health Study. 7 9 0.7013 US Caucasians (60)3 United States Samples collected from people living in Utah with ancestry from northern and western Europe (HapMap sample). 6d 7 0.7265 Swedes (50)2 Sweden Healthy donors 7 6 0.6612 2 18 Saami (48) Finland Healthy donors 7 5 0.7149 19 Germans (844)9 Germany Unrelated subjects of German origin from Berlin. They include healthy volunteers (291) and hospitalized individuals (553) with various diseases but without known malignancy. 7 8 0.7208 20 Germans (223)10 Germany Healthy students and blood donors of the St. Jürgen Hospital (Bremen), from the northern part of Germany. 6f 8 0.7438 Additional file 1 (Continued) Pop. a Code Sampling location Population (No. of individuals) Description No. of screened variants Nhb Hc 21 Polish (248)11 Poland Unrelated children and adolescents of Polish origin. They were randomly selected from patients from the Wielkopolska region who had come to the Third Clinic of Children’s Diseases of the University School of Medicine in Poznan because of ordinary respiratory or urinary tract infections or during a routine control visit to the outpatient clinic. Patients with autoimmune disease or malignancy were excluded. 7 7 0.7461 22 Slovaks (167)12 Slovakia Healthy blood donors and patients over 65 years with rheumatological or cardiovascular diseases, at the Teaching Hospital Košice. They were all Slovak people from the general population of Eastern Slovakia. 5e 6 0.7386 23 Ashkenazi Jews (40)2 Healthy donors 7 4 0.6006 0.7157 24 Romanians (140) 25 Russians (290) 14 26 Turks (303)15 13 - f Romania Unrelated individuals from a Romanian population. 6 7 Russia Unrelated individuals from the European part of Russia (Voronezh region). Except for 71 healthy volunteers, subjects were outpatients of the Central Railway Clinic in Voronezh with non-malignant diseases. 7 7 0.7102 Turkey Unrelated Turkisk individuals from south-east Anatolia (born and living in Gaziantep and surrounding). Except for 18 healthy volunteers, all were outpatients of the Gaziantep University, Faculty of Medicine, with a broad range of non-malignant diseases. 7 7 0.7231 Central/South Asians (390) 27 Gujarati (50)2 India Healthy donors 7 8 0.7149 28 Turkmen (50) 2 Uzbekistan Healthy donors 7 6 0.7531 29 Kyrgyz (290)13 Kyrgyzstan Unrelated individuals living at Lake Issyk-Kul near China. 6f 8 0.7318 China Healthy Han Chinese from a farmer population in a remote rural area in Shanghai suburb. 7 6 0.5839 China Samples collected from individuals living in the residential community at Beijing Normal University who were self-identified as having at least three out of four Han Chinese grandparents (HapMap sample). 6 4 0.5735 East Asians (1,893) 30 Han Chinese (112)16 31 Han Chinese (45) 32 Chinese (44)2 3 d China Healthy donors from the Hunan and Zhejang regions. 7 5 0.6450 33 Japanese (144) 17 Japan Patients with rheumatoid arthritis randomly selected from the outpatient department of the Institute of Rheumatology, Tokyo Women’s Medical University, between 1992 and 1999. g 7 6 0.4376 34 Japanese (172)18 Japan Unrelated, ethnically Japanese women used as population controls. Those with non-Japanese ethnic parents were excluded. 6f 6 0.4823 Additional file 1 (Continued) Pop. a Code Sampling location Population (No. of individuals) Description No. of screened variants Nhb Hc 35 Japanese (44)3 Japan Samples collected in the Tokyo metropolitan area from people who came from (or whose ancestors came from) many different parts of Japan (HapMap sample). 6d 4 0.4846 36 Koreans (288)19 Korea Non-cancer women controls admitted to the department of surgery in three teaching hospitals located in Seoul from March 1994 to September 1999. 7 11 0.5599 37 Koreans (1,000)20 Korea Korean individuals who visited the health promotion center at Samsung Medical Center. 6f 11 0.5140 Thailand Healthy donors 7 5 0.7213 Panama Healthy volunteers, unrelated to the fourth degree of consanguinity, living in traditional Amerindian regions of Panama. Excluded from the samples were those subjects who did not speak an Amerindian language, presented any non-Amerindian physical characteristic, were not born in Amerindian regions, or whose parents did not meet these criteria. 6f 6 0.5672 Panama same description as Embera 6f 5 0.4229 Nicaragua Healthy, unrelated subjects from a mixed Nicaraguan population. Most of them were students and staff of the Universidad Nacional Autónoma de Nicaragua (León, Nicaragua). Only subjects with Central American Indianwhite mixed origin were included. 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