Muguruma, Naoki http://orcid.org/0000-0002-4740-4809
Okamoto, Koichi
Nakagawa, Tadahiko
Sannomiya, Katsutaka
Fujimoto, Shota
Mitsui, Yasuhiro
Kimura, Tetsuo
Miyamoto, Hiroshi
Higashijima, Jun
Shimada, Mitsuo
Horino, Yoko
Matsumoto, Shinya
Hanaoka, Kenjiro
Nagano, Tetsuo
Shibutani, Makoto
Takayama, Tetsuji
Article History
Received: 21 March 2017
Accepted: 19 June 2017
First Online: 26 July 2017
Competing Interests
: T.T. received the collaborative research fund between Tokushima University and Olympus Corporation (Tokyo, Japan). The remaining authors disclose no conflicts.