[1] Univ Rochester, Med Ctr, Rochester, NY USA
[2] Donald & Barbara Zucker Sch Med Hofstra, Uniondale, NY USA
[3] Brown Univ, Providence, RI USA
[4] Harvard Med Sch, Boston, MA USA
[5] Hosp Special Surg, 535 E 70th St, New York, NY 10021 USA
[6] Long Beach Orthopaed Inst, Long Beach, CA USA