1. Tohoku University School of Medicine, Sendai City, Miyagi, Japan
2. Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
3. Faculty of Medicine, School of Medicine, International University of Health and Welfare, Narita City, Chiba, Japan
4. Higashitotsuka Memorial Hospital, Yokohama City, Kanagawa, Japan