Takeshita, Emiko
Ishibashi, Keiichiro
Koda, Keiji
Oda, Noritaka
Yoshimatsu, Kazuhiko
Sato, Yu
Oya, Masatoshi
Yamaguchi, Satoru
Nakajima, Hideo
Momma, Tomoyuki
Maekawa, Hiroshi
Tsubaki, Masahiro
Yamada, Takeshi
Kobayashi, Michiya
Tanakaya, Kohji
Ishida, Hideyuki
Article History
Received: 22 August 2020
Accepted: 10 December 2020
First Online: 14 February 2021
Compliance with ethical standards
:
: Keiichiro Ishibashi, Michiya Kobayashi, and Hideyuki Ishida received a research grant from Yakult Co., Ltd., and Chugai Pharmaceutical Co., Ltd. Emiko Takeshita and 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.