1. Orthopaedic Medical Group of Tampa Bay, Tampa, FL.
2. Department of Orthopaedic Surgery, Cedars Sinai Medical Center, 444 San Vicente Blvd, No. 603, Los Angeles, CA 90048.
3. RADNET, Los Angeles, CA.
4. Kerlan-Jobe Orthopaedic Clinic, Los Angeles, CA.