1. Department of Physical Medicine and Rehabilitation, Harvard Medical School/Spaulding Rehabilitation Hospital, Boston, MA 02115, USA
2. Foot & Ankle Research and Innovation Lab (FARIL), Department of Orthopaedic Surgery, Harvard Medical School, Massachusetts General Hospital, Boston, MA 02115, USA
3. Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA
4. Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA
5. Department of Sports Medicine, Mount Sinai School of Medicine, New York, NY 10029, USA
6. Department of Orthopaedic Surgery, Anam Hospital, Korea University College of Medicine, Seoul 02841, Republic of Korea