Affiliation: | 1. Department of Physical Medicine and Rehabilitation, Swedish Spine, Sports and Musculoskeletal Center, Swedish Medical Group, 1600 E. Jefferson Street, Suite 300, Seattle, WA 98122, USA;2. Department of Orthopaedics and Rehabilitation, Radiology, and Family Medicine, University of Iowa Sports Medicine Center, 2701 Prairie Meadow Drive, Iowa City, IA 52242, USA |