Affiliation: | (1) Department of Rehabilitation, Hospital for Special Surgery, 535 East 70th St, New York, NY 10021, USA;(2) Hospital for Special Surgery, 535 East 70th St, New York, NY 10021, USA;(3) Hunter College, 425 East 25th St, New York, NY 10010, USA;(4) Division of Health Policy, Department of Public Health, Weill Cornell Medical College, 402 E 67th St, New York, NY 10065, USA;(5) Hospital for Special Surgery, New York, NY 10021, USA |