Matsuzawa, Yasushi
Nakahashi, Hidefumi
Konishi, Masaaki
Sato, Ryosuke
Kawashima, Chika
Kikuchi, Shinnosuke
Akiyama, Eiichi
Iwahashi, Noriaki
Maejima, Nobuhiko
Okada, Kozo
Ebina, Toshiaki
Hibi, Kiyoshi
Kosuge, Masami
Ishigami, Tomoaki
Tamura, Kouichi
Kimura, Kazuo
Article History
Received: 4 December 2018
Accepted: 31 July 2019
First Online: 12 August 2019
Competing Interests
: The authors declare no competing interests.