1. Department of Family Medicine, University of Hawaii, Honolulu, Hawaii
2. Department of Family Medicine, Mayo Clinic, Jacksonville, Florida
3. Division of Sports Medicine, Mayo Clinic, Jacksonville, Florida
4. Children’s Orthopedic Center, Children’s Hospital Los Angeles, Los Angeles, California
5. Department of Family Medicine, Mayo Clinic, Scottsdale, Arizona
6. Department of Orthopaedic Surgery and Rehabilitation Medicine University of Chicago, Chicago, Illinois
7. Department of Pediatrics, University of Chicago, Chicago, Illinois