1. School of Medicine Tohoku University Sendai Japan
2. Department of Population Health Science and Policy Icahn School of Medicine at Mount Sinai New York New York USA
3. Division of Anesthesia Saiseikai Yokohamashi Tobu Hospital Yokohama City Japan
4. Faculty of Medicine Hamamatsu University School of Medicine Hamamatsu City Japan
5. Higashitotsuka Memorial Hospital Yokohama City Japan