Itani, Shigehiro
Watanabe, Toshio
Nadatani, Yuji
Sugimura, Naoki
Shimada, Sunao
Takeda, Shogo
Otani, Koji
Hosomi, Shuhei
Nagami, Yasuaki
Tanaka, Fumio
Kamata, Noriko
Yamagami, Hirokazu
Tanigawa, Tetsuya
Shiba, Masatsugu
Tominaga, Kazunari
Fujiwara, Yasuhiro
Arakawa, Tetsuo
Article History
Received: 8 July 2016
Accepted: 17 November 2016
First Online: 14 December 2016
Competing interests
: Toshio Watanabe, Tetsuya Tanigawa, Kazunari Tominaga and Yasuhiro Fujiwara – Faculty member of a course sponsored by Eisai Co., Ltd. The other authors have declared that no competing interests exist.