1. Department of Plastic & Reconstructive Surgery, Juntendo University Hospital, 3-1-3 Hongo Bunkyoku, Tokyo, Japan
2. Department of Orthopaedic Surgery, Juntendo University Hospital, 3-1-3 Hongo Bunkyoku, Tokyo, Japan
3. Department of Rehabilitation Medicine, Dokkyo Saitama Medical Center, 2-1-50 Minami-koshigaya Koshigaya, Saitama, Japan