1. Sports Medicine Section, Departments of Family Medicine and Orthopaedics and Sports Medicine, University of Washington, Sports Medicine Center at Husky Stadium UW Medicine, Seattle, WA
2. Military and Emergency Medicine, Consortium for Health and Military Performance, Uniformed Services University of the Health Sciences, Bethesda, MD
3. Athletic Medicine, Health Services Division, Georgia Southern University, Statesboro, GA
4. Department of Physical Medicine and Rehabilitation, Mayo Clinic College of Medicine, Rochester; and Mayo Clinic Sports Medicine Center, 600 Hennepin Ave, #310, Minneapolis, MN 55403