[1] Int Olymp Comm, Med & Sci Dept, CH-1007 Lausanne, Switzerland
[2] Univ Oslo, Dept Orthopaed Surg, Oslo, Norway
[3] Norwegian Sch Sport Sci, Oslo Sports Trauma Res Ctr, Dept Sports Med, Oslo, Norway
[4] IAAF, Monte Carlo, Monaco
[5] IIHF, Zurich, Switzerland
[6] Federat Int Football Football Assoc FIFA, Zurich, Switzerland
[7] F MARC, Zurich, Switzerland
[8] Schulthess Klin, Zurich, Switzerland
[9] OCA, Kuwait, Kuwait
[10] CGF, London, England
[11] Olymp Council Malaysia MAS, Kuala Lumpur, Malaysia
[12] Univ Calgary, Sport Injury Prevent Res Ctr, Calgary, AB T2N 1N4, Canada
[13] Federat Int Natat FINA, Lausanne, Switzerland
[14] Univ Nottingham, Div Orthopaed & Accid Surg, Nottingham NG7 2RD, England
[15] UCL, London, England
[16] Karolinska Inst, Stockholm Sports Trauma Res Ctr, Stockholm, Sweden