Appendix 2. MEDLINE and EMBASE-cited articles discussing tribocorrosion in taper junctions of THAs 1. Atwood SA, Patten EW, Bozic KJ, Pruitt LA, Ries MD. Corrosion-induced fracture of a double-modular hip prosthesis: a case report. J Bone Joint Surg Am. 2010;92:1522–1525. 2. Baleani M, Viceconti M, Walchholz K, Toni A. Metallic wear debris in dual modular hip arthroplasty. Chir Organi Mov. 1997;82:231–238. 3. Barrack RL, Butler RA, Laster DR, Andrews P. Stem design and dislocation after revision total hip arthroplasty: clinical results and computer modeling. J Arthroplasty. 2001;16(Suppl 1):8-12. 4. Battenberg AK, Campbell P, Takamura K. Solid corrosion products in metal-metal hip tissues: implications for metal sensitivity? Journal of Investigative Medicine. 2010;58:236. 5. Baxmann M, Jauch SY, Schilling C, Blomer W, Grupp TM, Morlock MM. The influence of contact conditions and micromotions on the fretting behavior of modular titanium alloy taper connections. Med Eng Phys. 2013;5:676-683. 6. Bolland BJ, Culliford DJ, Langton DJ, Millington JP, Arden NK, Latham JM. High failure rates with a large-diameter hybrid metal-on-metal total hip replacement: clinical, radiological and retrieval analysis. J Bone Joint Surg Br. 2011;93:608-615. 7. Botti TP, Gent J, Martell JM, Manning DW. Trunion fracture of a fully porous-coated femoral stem. Case report. J Arthroplasty. 2005;20:943–945. 8. Braun E, Schmitt D, Nabet F, Legras B, Coudane H, Mole D. Urinary concentration of cobalt and chromium in patients with a non-cemented total hip prosthesis. Int Orthop. 986;10:277-282. 9. Brown SA, Flemming CA, Kawalec JS, Placko HE, Vassaux C, Merritt K, Payer JH, Kraay MJ. Fretting corrosion accelerates crevice corrosion of modular hip tapers. J Appl Biomater. 1995;6:19-26. 10. Bryant M, Ward M, Farrar R, Freeman R, Brummitt K, Nolan J, Neville A. Characterisation of the surface topography, tomography and chemistry of fretting corrosion product found on retrieved polished femoral stems. J Mech Behav Biomed Mater. 2014;32:321–334. 11. Burbano M., Roy D, Russell R., Huo M., Rodrigues D. Microscopic analysis of characteristic surface features of a set of retrieved total hip implants. Materials. 2014;7:1866-1879. 12. Chana R, Esposito C, Campbell PA, Walter WK, Walter WL. Mixing and matching causing taper wear: corrosion associated with pseudotumour formation. J Bone Joint Surg Br. 2012;94:281–286. 13. Collier JP, Mayor MB, Jensen RE, Surprenant VA, Surprenant HP, McNamar JL, Belec L. Mechanisms of failure of modular prostheses. Clin Orthop Relat Res. 1992;285:129–139. 14. Collier JP, Mayor MB, Williams IR, Surprenant VA, Surprenant HP, Currier BH. The tradeoffs associated with modular hip prostheses. Clin Orthop Relat Res. 1995;311:91-101. 15. Collier JP, Surprenant VA, Jensen RE, Mayor MB. Corrosion at the interface of cobalt-alloy heads on titanium-alloy stems. Clin Orthop Relat Res. 1991;271:305–312. 16. Collier JP, Surprenant VA, Jensen RE, Mayor MB, Surprenant HP. Corrosion between the components of modular femoral hip prostheses. J Bone Joint Surg Br. 1992;74:511–517. 17. Cook SD, Barrack RL, Baffes GC, Clemow AJ, Serekian P, Dong N, Kester MA. Wear and corrosion of modular interfaces in total hip replacements. Clin Orthop Relat Res. 1994;298:80-88. 18. Cook SD, Barrack RL, Clemow AJ. Corrosion and wear at the modular interface of uncemented femoral stems. J Bone Joint Surg Br. 1994;76:68-72. 19. Cook RB, Bolland BJ, Wharton JA, Tilley S, Latham JM, Wood RJ. Pseudotumour formation due to tribocorrosion at the taper interface of large diameter metal on polymer modular total hip replacements. J Arthroplasty. 2013;28:1430-1436. 20. Cooper HJ, Della Valle CJ, Berger RA, Tetreault M, Paprosky WG, Sporer SM, Jacobs JJ. 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