Sakamoto, Shuichi
Watanabe, Takumi
Kohda, Yasuko
Iijima, Masatomi
Sawa, Ryuichi
Okada, Maiko
Adachi, Hayamitsu
Nishimura, Yoshio
Kawada, Manabu
Article History
Received: 17 October 2016
Revised: 12 September 2017
Accepted: 25 September 2017
First Online: 25 October 2017
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.