1. Uonuma Institute of Community Medicine, Niigata University Medical and Dental Hospital, Niigata, Japan
2. Asahi Kasei Pharma Corporation, Tokyo, Japan
3. Miyazaki Prefectural Miyazaki Hospital, Miyazaki, Japan
4. National Hospital Organization Takasaki General Medical Center, Gunma, Japan
5. Teikyo University, Tokyo, Japan
6. Tokyo Saiseikai Central Hospital, Tokyo, Japan
7. National Hospital Organization Disaster Medical Center, Tokyo, Japan
8. Fukushima Medical University, Fukushima, Japan
9. Mie Prefectural General Medical Center, Mie, Japan