Sugimoto, Keiki
Miyata, Yasuhiko
Nakayama, Takayuki
Saito, Shigeki
Suzuki, Ritsuro
Hayakawa, Fumihiko
Nishiwaki, Satoshi
Mizuno, Hiroki
Takeshita, Kyosuke
Kato, Hidefumi
Ueda, Ryuzo
Takami, Akiyoshi
Naoe, Tomoki
Article History
Received: 14 April 2016
Accepted: 7 July 2016
First Online: 2 August 2016
Competing interests
: The authors declare no competing financial interests.