[1] Univ Calgary, Sport Injury Prevent Res Ctr, Fac Kinesiol, Calgary, AB, Canada
[2] Univ Calgary, Alberta Childrens Hosp Res Inst, Calgary, AB, Canada
[3] Univ Calgary, Cumming Sch Med, McCaig Inst Bone & Joint Hlth, Calgary, AB, Canada
[4] Univ Alberta, Fac Rehabil Med, Dept Phys Therapy, Edmonton, AB, Canada
[5] Katholieke Univ Leuven, Skeletal Biol & Engn Res Ctr, Div Rheumatol, Univ Hosp, Leuven, Belgium
[6] Lund Univ, Dept Clin Sci Lund, Orthopaed, Lund, Sweden
[7] Univ Southern Denmark, Dept Sports & Clin Biomech, Odense, Denmark
[8] Univ Melbourne, Ctr Hlth Exercise & Sports Med, Melbourne, Vic, Australia
[9] Univ Calgary, Fac Kinesiol, Calgary, AB, Canada
[10] Univ Calgary, Dept Biochem & Mol Biol, Calgary, AB, Canada
[11] Univ Bath, Dept Hlth, Bath, Avon, England
[12] Univ Calgary, Schulich Sch Engn, Fac Kinesiol, Calgary, AB, Canada
[13] Griffith Univ, Gold Coast Orthopaed Res Engn & Educ GCORE, Menzies Hlth Inst Queensland, Gold Coast, Qld, Australia
[14] Stanford Univ, Dept Mech Engn, Stanford, CA 94305 USA
[15] Stanford Univ, Dept Orthoped Surg, Stanford, CA 94305 USA
[16] Palo Alto Vet Affairs Hlth Care Syst, Palo Alto, CA USA
[17] Lund Univ, Dept Clin Sci Lund, Clin Epidemiol Unit, Orthopaed, Lund, Sweden
[18] Duke Univ, Sch Med, Duke Mol Physiol Inst, Durham, NC USA
[19] Duke Univ, Sch Med, Dept Med, Div Rheumatol, Durham, NC 27706 USA
[20] Harvard Med Sch, Orthopaed & Arthrit Ctr Outcomes Res, Brigham & Womens Hosp, Boston, MA 02115 USA
[21] Boston Univ, Sch Publ Hlth, Boston, MA USA
[22] Erasmus MC, Dept Orthopaed, Univ Med Ctr Rotterdam, Rotterdam, Netherlands
[23] Erasmus MC, Dept Gen Practice, Univ Med Ctr Rotterdam, Rotterdam, Netherlands
[24] Keele Univ, Res Inst Primary Care & Hlth Sci, Keele, Staffs, England
[25] Univ Delaware, STAR Hlth, Dept Phys Therapy, Newark, DE USA
[26] Univ Delaware, STAR Hlth, Dept Biomed Engn, Newark, DE USA
[27] Oslo Univ Hosp, Norwegian Res Ctr Act Rehabil, Dept Sports Med, Norwegian Sch Sport Sci, Oslo, Norway
[28] Oslo Univ Hosp, Div Orthopaed Surg, Oslo, Norway
[29] State Res Inst Ctr Innovat Med, Dept Regenerat Med, Vilnius, Lithuania
[30] Queens Med Ctr, Nottingham, England
[31] Boston Univ, Sch Med, Boston, MA 02118 USA
[32] Univ Sydney, Inst Bone & Joint Res, Kolling Inst, Sydney, NSW, Australia
[33] Royal North Shore Hosp, Rheumatol Dept, Sydney, NSW, Australia
[34] Univ Oxford, Oxford, England