1. Department of Research Planning and Information Management, Fukuoka Institute of Health and Environmental Sciences, 39 Mukaizano, Dazaifu-shi, Fukuoka, Japan
2. Department of Preventive Medicine and Public Health, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka, Japan
3. Division of Medicinal Safety Science, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kanagawa, Japan
4. Department of Health Care Administration and Management, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, Japan