Arii, Jun
Watanabe, Mizuki
Maeda, Fumio
Tokai-Nishizumi, Noriko
Chihara, Takahiro
Miura, Masayuki
Maruzuru, Yuhei
Koyanagi, Naoto
Kato, Akihisa
Kawaguchi, Yasushi
Article History
Received: 23 January 2017
Accepted: 28 July 2018
First Online: 23 August 2018
Competing interests
: The authors declare no competing interests.