1 Department of Plastic, Reconstructive and Aesthetic Surgery, Nippon Medical School, 1-1-5, Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan. Electronic address: s8013@nms.ac.jp.
2 Department of Plastic, Reconstructive and Aesthetic Surgery, Nippon Medical School, 1-1-5, Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan.