1. Department of Plastic and Reconstructive Surgery, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki 852-8501, Japan
2. Takashi Nagai Memorial International Hibakusha Medical Center, Nagasaki University Hospital, Nagasaki 852-8501, Japan
3. Atomic Bomb Disease Institute, Nagasaki University School of Medicine, Nagasaki 852-8501, Japan
4. Wolrd Health Organization, Geneva 27, Switzerland