1. Department of Rehabilitation, Machida Orthopedics, Kochi, Japan
2. Department of Physical Therapy, Faculty of Health and Welfare, Prefectural University of Hiroshima, Hiroshima, Japan
3. Department of Rehabilitation, Utsumi Orthopedics Clinic, Kagawa, Japan
4. Department of Physical Therapy, Konan Woman’s University, Kobe, Hyogo, Japan
5. Department of Orthopaedic Surgery, Onomichi Municipal Hospital, Hiroshima, Japan