1. Iwate Medical University, Iwate, Japan
2. Teikyo University School of Medicine, Tokyo, Japan
3. St. Luke’s International University, Tokyo, Japan
4. Morioka Tsunagi Onsen Hospital, Iwate, Japan
5. Iwate University, Iwate, Japan
6. Iwate Health Service Association, Iwate, Japan
7. The Research Institute of Strategy for Prevention, Tokyo, Japan