1. Medical Governance Research Institute Tokyo Japan
2. Department of Breast Surgery Jyoban Hospital of Tokiwa Foundation Fukushima Japan
3. Department of Gastroenterology Sendai Kosei Hospital Miyagi Japan
4. Department of Surgery Minamisoma Municipal General Hospital Fukushima Japan
5. Department of Neurosurgery Minamisoma Municipal General Hospital Fukushima Japan
6. Department of Internal Medicine Jyoban Hospital of Tokiwa Foundation Fukushima Japan