Department of Cardiovascular Medicine, St. Luke’s International Hospital, Tokyo, Japan; Address for correspondence: Dr Atsushi Mizuno, Department of Cardiovascular Medicine, St. Luke’s International Hospital, 9-1, Akashi-cho, Chuo-ku, Tokyo, Japan.
Kei Hirai, PhD
Graduate School of Human Science, Osaka University, Suita, Japan
Fumio Ohtake, PhD
Center for Infectious Disease Education and Research (CiDER), Osaka University, Suita, Japan; Graduate School of Economics, Osaka University, Toyonaka, Japan