[1] Atrium Hlth Musculoskeletal Inst, Dept Orthopaed Surg, Charlotte, NC USA
[2] Univ S Florida, Florida Orthopaed Inst, Tampa, FL USA
[3] Vanderbilt Univ, Med Ctr, Dept Phys Med & Rehabil, 221 Kirkland Hall, Nashville, TN 37235 USA
[4] Univ Louisville, Sch Med, Dept Orthopaed Surg, Louisville, KY 40292 USA
[5] Dalhousie Univ, Sch Med, Dept Orthopaed Surg, Halifax, NS, Canada
[6] Navicent Hlth, Dept Orthopaed Surg, Macon, GA USA
[7] McGill Univ, Hlth Ctr, Div Orthopaed Surg, Montreal, PQ, Canada
[8] Univ Utah, Div Orthopaed Surg, Salt Lake City, UT USA
[9] Henry Ford Hosp, Dept Orthopaed Surg, Detroit, MI 48202 USA
[10] Case Western Reserve Univ, Dept Orthopaed Surg, Cleveland, OH 44106 USA
[11] Univ Arizona, Dept Orthopaed, Banner Hlth, Tucson, AZ USA
[12] Beacon Hlth Syst, South Bend, IN USA
[13] Univ Iowa, Dept Orthopaed & Rehabil, Hlth Care, Iowa City, IA USA
[14] Washington Univ, Div Orthopaed Trauma, Orthopaed, St Louis, MO USA
[15] Vanderbilt Univ, Med Ctr, Orthopaed Surg & Rehabil, 221 Kirkland Hall, Nashville, TN 37235 USA
[16] Carolinas Med Ctr, Dept Orthopaed Surg, Charlotte, NC 28203 USA
[17] Hosp Special Surg, Orthopaed Trauma Serv, 535 E 70th St, New York, NY 10021 USA
[18] Inst Recon Struct Plast Surg Cent Texas, Austin, TX USA
[19] Johns Hopkins Sch Med, Dept Orthopaed Surg, Baltimore, MD USA