[1] Linkoping Univ, Div Physiotherapy, Linkoping, Sweden
[2] La Trobe Univ, Sch Allied Hlth, Melbourne, Vic, Australia
[3] Oslo Univ Hosp, Div Orthopaed Surg, Oslo, Norway
[4] Norwegian Sch Sport Sci, Oslo Sports Trauma Res Ctr OSTRC, Oslo, Norway
[5] Univ Oslo, Inst Clin Med, Oslo, Norway
[6] Norwegian Sch Sport Sci, Dept Sports Med, Oslo, Norway
[7] Hop Femme Mere Enfant, Dept Pediat Orthopaed Surg, Lyon, France
[8] Univ Fed Sao Paulo, Dept Orthoped, Sao Paulo, Brazil
[9] Karolinska Inst, Stockholm Sports Trauma Res Ctr, Stockholm, Sweden
[10] Childrens Hosp Philadelphia, Dept Orthopaed, Philadelphia, PA 19104 USA
[11] Epworth Healthcare, OrthoSport Victoria Res Unit, Melbourne, Vic, Australia
[12] La Trobe Univ, Coll Sci Hlth & Engn, Melbourne, Vic, Australia
[13] Univ Gothenburg, Sahlgrenska Acad, Dept Orthopaed, Gothenburg, Sweden
[14] Boston Childrens Hosp, Div Sports Med, Boston, MA USA
[15] Harvard Med Sch, Boston, MA USA
[16] Steadman Philippon Res Inst, Vail, CO USA
[17] Steadman Clin, Vail, CO USA
[18] Swansea Univ, Coll Engn, Swansea, W Glam, Wales
[19] Santa Monica Orthopaed & Sports Med Grp, Los Angeles, CA USA
[20] Micheli Ctr Sports Injury Prevent, Waltham, MA USA
[21] Univ Calgary, Ctr Sports Med, Calgary, AB, Canada
[22] Univ Chicago, Dept Orthopaed & Rehabil Med, Chicago, IL 60637 USA
[23] North Sydney Orthopaed & Sports Med Ctr, Sydney, NSW, Australia
[24] Ctr Hosp Luxembourg, Dept Orthopaed Surg, Luxembourg, Luxembourg
[25] Luxembourg Inst Hlth, Sports Med Res Lab, Luxembourg, Luxembourg
[26] Ruprecht Karls Univ Heidelberg, Inst Anat & Cell Biol, Heidelberg, Germany
[27] HKF Int Ctr Hip Knee Foot Surg & Sportstraumatol, ATOS Klin, Heidelberg, Germany
[28] FIFA Med Ctr Excellence, Veloc Phys Therapy, Los Angeles, CA USA
[29] Int Olymp Comm, Med & Sci Dept, Lausanne, Switzerland
[30] Univ Calgary, Fac Kinesiol, Sports Injury Prevent Ctr, Calgary, AB, Canada
[31] Univ Ghent, Fac Med & Healthsci, Dept Rehabil Sci & Physiotherapy, Ghent, Belgium