1. Stetson Powell Orthopaedics and Sports Medicine, 191 S. Buena Vista Street, Suite 470, Burbank, CA 91505, USA
2. Massachusetts College of Pharmacy and Health Sciences, 179 Longwood Avenue, Boston, MA 02115, USA
3. Section of Sports Medicine, Division of Orthopaedic Surgery, Scripps Clinic Medical Group, 10666 North Torrey Pines Road, La Jolla, CA 92037, USA