Nakaichi, Tetsu
Yamashita, Shozo
Kawakami, Wataru
Yamamoto, Haruki
Sasaki, Masayuki
Yokoyama, Kunihiko
Article History
Received: 27 February 2020
Accepted: 2 June 2020
First Online: 11 June 2020
Compliance with ethical standards
:
: No potential conflicts of interest were disclosed.