1. Department of Plastic and Reconstructive Surgery, The University of Tokushima Graduate School, Tokushima, Japan.
2. Division of Plastic Surgery, Kochi Health Sciences Center, Kochi, Japan.
3. Department of Plastic and Reconstructive Surgery, Tokushima Red Cross Hospital, Komatsushima, Japan.
4. Department of Plastic and Reconstructive Surgery, Kurashiki Central Hospital, Kurashiki, Japan.
5. Department of Plastic and Reconstructive Surgery, Matsue Red Cross Hospital, Matsue, Japan.
6. Department of Plastic and Reconstructive Surgery, Kawasaki Medical School, Kurashiki, Japan.