1. Rothman Orthopaedic Institute, New York, New York, USA.
2. University of Utah, Department of Orthopaedic Surgery, Salt Lake City, Utah, USA.
3. Major League Baseball Commissioner’s Office, New York, New York, USA.
4. Rothman Orthopaedic Institute, Philadelphia, Pennsylvania, USA.
5. DuPage Medical Group, Westmont, Illinois, USA.