[1] AO Fdn, AO Clin Invest & Documentat, Dubendorf, Switzerland
[2] McMaster Univ, Dept Surg, Hamilton, ON L8S 4L8, Canada
[3] McMaster Univ, Dept Surg, Div Orthopaed Surg, Hamilton, ON L8S 4L8, Canada
[4] Steadman Philippon Res Inst, Vail, CO USA
[5] Univ Fed Sao Paulo, Dept Orthopaed Surg & Traumatol, Orthopaed Sports Med Div, Sao Paulo, Brazil
[6] Univ Pittsburgh, Dept Orthopaed Surg, Pittsburgh, PA USA
[7] ETH Zurich & Schulthess Clin, Inst Biomechan, Zurich, Switzerland
[8] Univ Toronto, St Michaels Hosp, Dept Med, Toronto, ON M5B 1W8, Canada
[9] Sahlgrenska Univ Hosp Molndal, Dept Orthopaed Surg, Molndal, Sweden
[10] Hosp Special Surg, Weill Cornell Med Coll, Dept Orthopaed Surg, New York, NY 10021 USA
[11] Mayo Clin, Dept Orthopaed Surg, Rochester, MN USA
[12] Taos Orthopaed Inst, Taos, NM USA
[13] Univ Calgary, Ctr Sports Med, Calgary, AB, Canada
[14] Univ Bologna, Ist Ortopedico Rizzoli, Lab Biomeccan & Innovaz Tecnol, Bologna, Italy
[15] Osaka Hlth Sci Univ, Inst Med Sci Sports, Osaka, Japan