1 Department of Plastic and Reconstructive Surgery, Keio University School of Medicine, Tokyo, Japan.
2 Department of Anatomy, Keio University School of Medicine, Tokyo, Japan.
3 Department of Plastic and Reconstructive Surgery, Tachikawa Hospital, Tokyo, Japan.
4 Department of Plastic and Reconstructive Surgery, Tochigi Cancer Center, Tochigi, Japan.
5 Department of Plastic and Reconstructive Surgery, Saiseikai Central Hospital, Tokyo, Japan.
6 Department of Radiology, Keio University School of Medicine, Tokyo, Japan.
7 Department of Anatomy, Keio University School of Medicine, Tokyo, Japan, SIT Research Laboratories, Shibaura Institute of Technology, Tokyo, Japan, Management Division, Luxonus, Inc., Kanagawa, Japan.