Hasegawa, Nobuhiko
Takeda Nakamura, Ikuko
Ueno, Toshihide
Kojima, Shinya
Kawazu, Masahito
Akaike, Keisuke
Okubo, Taketo
Takagi, Tatsuya
Suehara, Yoshiyuki
Hayashi, Takuo
Saito, Tsuyoshi
Kaneko, Kazuo
Mano, Hiroyuki
Kohsaka, Shinji
Article History
Received: 24 September 2019
Accepted: 9 December 2019
First Online: 27 December 2019
Competing interests
: The authors declare no competing interests.