1. Department of Plastic & Reconstructive Surgery, Juntendo University Hospital, 3-1-3 Hongo Bunkyoku, Tokyo, Japan
2. Division of Orthopedic Surgery, Koshigaya Seiwa Hospital, 4-25-5 Yanaka-cho Koshigaya, Saitama, Japan
3. Department of Orthopedic Surgery, Dokkyo Saitama Medical Center, 2-1-50 Minami-koshigaya Koshigaya, Saitama, Japan