1. Department of Sports Medicine, Tokyo Women's College of Physical Education, Tokyo, Japan;
2. Department of Family Medicine, McMaster University, Hamilton, Canada;
3. International Olympic Committee Medical and Scientific Department, Lausanne, Switzerland;
4. Department of Sports Medicine, Juntendo University, Tokyo, Japan;
5. Clinical Center for Sports Medicine and Sports Dentistry, Tokyo Medical and Dental University, Tokyo, Japan;
6. Department of Sports Medicine, Kameda Medical Center, Kamogawa, Japan;
7. Knee Surgery and Sports Medicine Center, Oyumino Central Hospital, Chiba, Japan;
8. Department of Physical Therapy, School of Health Sciences, Sapporo Medical University, Sapporo, Japan; and
9. Department of Rehabilitation Medicine, The University of Tokyo Hospital, Tokyo, Japan.