Matsui, Masaru
Tsuruya, Kazuhiko
Yoshida, Hisako
Iseki, Kunitoshi
Fujimoto, Shouichi
Konta, Tsuneo
Moriyama, Toshiki
Yamagata, Kunihiro
Narita, Ichiei
Kasahara, Masato
Shibagaki, Yugo
Kondo, Masahide
Asahi, Koichi
Watanabe, Tsuyoshi
Funding for this research was provided by:
the Ministry of Health, Labour and Welfare of Japan
Article History
Received: 11 June 2021
Accepted: 6 August 2021
First Online: 19 August 2021
Competing interests
: The authors declare no competing interests.