1. Department of Epidemiology and Environmental Health, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
2. Medical Writing, Portfolio and Project Management, Pfizer R&D Japan G.K., Shibuya-ku, Tokyo, Japan
3. Department of Epidemiology and Social Medicine, International University of Health and Welfare Graduate School of Public Health, Minato-ku, Tokyo, Japan