Yoshimatsu, Kazuhiko
Ishibashi, Keiichiro
Koda, Keiji
Yokomizo, Hajime
Oda, Noritaka
Oshiro, Mitsuru
Kato, Hiroyuki
Oya, Masatoshi
Nakajima, Hideo
Ooki, Shinji
Maekawa, Hiroshi
Matsunami, Toshio
Tsubaki, Masahiro
Yamada, Takeshi
Kobayashi, Michiya
Tanakaya, Kohji
Yokoyama, Masaru
Ishida, Hideyuki
Article History
Received: 5 September 2018
Accepted: 20 December 2018
First Online: 5 April 2019
Compliance with ethical standards
:
: Keiichiro Ishibashi, Hiroyuki Kato, Michiya Kobayashi and Hideyuki Ishida received a research grant from Yakult Co., Ltd. and Chugai Pharmaceutical Co., Ltd. Masatoshi Oya received a research grant from Yakult Co., Ltd., and Hiroshi Maekawa received a research grant from Chugai Pharmaceutical Co., Ltd. The other authors have no conflicts of interest to declare.