Kobayashi, Yu
Yoshida, Shoji
Sakurada, Ryuji
Takashima, Kengo
Yamamoto, Takahiro
Saito, Tetsuki
Konabe, Satoru
Taniguchi, Takashi
Watanabe, Kenji
Maniwa, Yutaka
Takeuchi, Osamu
Shigekawa, Hidemi
Miyata, Yasumitsu
Article History
Received: 14 April 2016
Accepted: 14 July 2016
First Online: 12 August 2016
Competing interests
: The authors declare no competing financial interests.