Affiliation: | 1. Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A.;2. Wake Forest University Baptist Medical Center, Winston-Salem, North Carolina, U.S.A.;3. Loma Linda University Medical Center, Loma Linda, California, U.S.A.;4. Westchester Medical Center, Valhalla, New York, U.S.A.;5. University of South Florida Health, Tampa, Florida, U.S.A. |