Okada, Tatsunori
Imai, Yoshinori
Kitagawa, Kentaro
Matsubayashi, Kazuyuki
Nakajima, Masamichi
Iyo, Akira
Uwatoko, Yoshiya
Eisaki, Hiroshi
Maeda, Atsutaka
Article History
Received: 16 December 2019
Accepted: 20 March 2020
First Online: 27 April 2020
Competing interests
: The authors declare no competing interests.