1. Division of Physical Therapy, Kochi Professional University of Rehabilitation, Takaoka-Machi, Tosa, Kochi, Japan
2. Department of Orthopaedic Surgery, Okayama University Hospital, Kita Ward, Okayama, Japan
3. Department of Rehabilitation Medicine, National Hospital Organization Shikoku Cancer Center, Matsuyama, Ehime, Japan
4. Department of Breast Oncology, National Hospital Organization Shikoku Cancer Center, Matsuyama, Ehime, Japan