[1] Univ Kentucky Orthopaed Surg & Sports Med, Lexington, KY USA
[2] Univ Iowa Hosp & Clin, Iowa City, IA 52242 USA
[3] Ohio State Univ, Ctr Sports Med, Columbus, OH 43210 USA
[4] Orthoped Inst, Sioux Falls, SD USA
[5] Univ Colorado, Sch Med, Dept Orthoped, Aurora, CO USA
[6] Washington Univ, Dept Orthoped, St Louis, MO USA
[7] Vanderbilt Univ, Med Ctr, Dept Orthopaed Surg & Rehabil, Nashville, TN USA
[8] Univ Calif San Francisco, Dept Orthopaed Surg, San Francisco, CA USA
[9] Univ Michigan, Dept Orthopaed Surg, MedSport, Ann Arbor, MI 48109 USA
[10] Hosp Special Surg, Dept Sports Med, 535 E 70th St, New York, NY 10021 USA