[1] Dartmouth Hitchcock Med Ctr, Dept Orthopaed, Lebanon, NH 03766 USA
[2] Dartmouth Hitchcock Med Ctr, Lebanon, NH 03766 USA
[3] Dartmouth Hitchcock Med Ctr, Med Community & Family Med, Lebanon, NH 03766 USA
[4] Dartmouth Geisel Sch Med, Dept Epidemiol, Hanover, NH USA
[5] Dartmouth Geisel Sch Med, Program Quantitat Biomed Sci, Hanover, NH USA
[6] Dartmouth Geisel Sch Med, Dartmouth Inst, Hanover, NH USA
[7] McMaster Univ, Div Orthopaed Surg, Dept Surg, Hamilton, ON, Canada
[8] McMaster Univ, Dept Hlth Res Methods Evidence & Impact HEI, Hamilton, ON, Canada
[9] Greenville Hlth Syst, Dept Orthoped Surg, Greenville, SC USA
[10] Univ Minnesota, Dept Orthopaed Surg, Minneapolis, MN 55455 USA
[11] McMaster Univ, Orthopaed Surg, Div Orthopaed Surg, Dept Surg, Hamilton, ON, Canada
[12] Univ Maryland, Sch Med, Dept Orthopaed, Baltimore, MD 21201 USA