1. Sports Medicine and Shoulder Service, Hospital for Special Surgery, New York, NY, USA
2. Arthroplasty Service, Hospital for Special Surgery, 535 E 70th Street, 10021, New York, NY, USA
3. Department of Anesthesiology, Hospital for Special Surgery, New York, NY, USA
4. Department of Epidemiology and Biostatistics, Hospital for Special Surgery, New York, NY, USA