Ohashi, Masayuki
Watanabe, Kei
Furutani, Kenta
Hirano, Toru
Katsumi, Keiichi
Shoji, Hirokazu
Mizouchi, Tatsuki
Endo, Naoto
Article History
Received: 22 May 2017
Revised: 24 June 2017
Accepted: 10 July 2017
First Online: 21 September 2017
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.