1. Division of Medicinal Safety Science; National Institute of Health Sciences; Kawasaki-ku Kanagawa Japan
2. Department of Research Planning and Information Management; Fukuoka Institute of Health and Environmental Sciences; Dazaihu-city Japan
3. Department of Health Care Administration and Management, Graduate School of Medical Sciences; Kyushu University; Higashi-ku Fukuoka City Japan
4. Department of Preventive Medicine and Public Health; Fukuoka University; Jonan-ku Fukuoka City Japan
5. Department of Internal Medicine, Division of Preventive Medicine, Tenjin Clinic; Fukuoka City Japan