1. Department of Physical Therapy, Rangos School of Health Sciences, Duquesne University, 600 Forbes Avenue, Pittsburgh, PA 15219, USA
2. UPMC Center for Sports Medicine, 3200 South Water Street, Pittsburgh, PA 15203, USA
3. Texas Health Sports Medicine, Department of Orthopaedic Surgery, 1120 Raintree Circle Allen, TX 75013, USA
4. Hip Preservation and Sports Medicine, Washington Orthopaedics and Sports Medicine, Department of Orthopaedic Surgery, 2021 K Street, NW Washington, DC 20006, USA
5. Division of Sports Medicine, Department of Orthopedic Surgery, Hip Preservation Center, Rush University Medical Center, 1653 W. Congress Parkway Chicago, IL 60612, USA
6. Orthopaedic Surgery, Hip Arthroscopy Program, The Sydney Kimmel Medical College, Rothman Institute, Thomas Jefferson University Hospital, 111 S 11th St, Philadelphia, PA 19107, USA
7. Rush University Medical Center, Department of Orthopaedic Surgery, US National Soccer Teams, Chicago Blackhawks Medical Network, 1653 W Congress Pkwy, Chicago, IL 60612, USA
8. Hip Arthroscopy DISC Sports and Spine Center, Department of Orthopaedic Surgery, 3501 Jamboree Rd #1250, Newport Beach, CA 92660, USA
9. Peachtree Orthopedics, Department of Orthopaedic Surgery, 3200 Downwood Cir NW Office – Suite 700, Atlanta, GA 30327, USA