Aoto, Yoshimasa
Okumura, Kazuhiro
Hachiya, Tsuyoshi
Hase, Sumitaka
Wakabayashi, Yuichi
Ishikawa, Fuyuki
Sakakibara, Yasubumi
Article History
Received: 17 January 2018
Accepted: 17 August 2018
First Online: 29 August 2018
Competing Interests
: The authors declare no competing interests.