Shimizu, Dai
Kanda, Mitsuro
Tanaka, Haruyoshi
Kobayashi, Daisuke
Tanaka, Chie
Hayashi, Masamichi
Iwata, Naoki
Niwa, Yukiko
Takami, Hideki
Yamada, Suguru
Fujii, Tsutomu
Nakayama, Goro
Fujiwara, Michitaka
Kodera, Yasuhiro
Article History
Received: 2 September 2016
Accepted: 4 January 2017
First Online: 6 February 2017
Competing interests
: The authors declare no competing financial interests.