1. Department of Exercise Science, Thomas Jefferson University, Philadelphia, Pennsylvania, USA.
2. Department of Orthopaedic Surgery, Rothman Orthopaedic Institute, Philadelphia, Pennsylvania, USA.
3. Hackensack Meridian School of Medicine, Nutley, New Jersey, USA.
4. Rowan University School of Osteopathic Medicine, Stratford, New Jersey, USA.
5. Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey, USA.
6. Department of Orthopaedic Surgery, Rothman Orthopaedic Institute, New York, New York, USA.