Takada, Mamoru http://orcid.org/0000-0002-3961-9009
Tanaka, Gaku
Hashimoto, Hideyuki
Hirai, Yasuyuki
Fukushima, Taichi
Nagashima, Takeshi
Otsuka, Masayuki
Imazeki, Fumio
Article History
Received: 2 October 2020
Accepted: 26 February 2021
First Online: 2 April 2021
Compliance with ethical standards
:
: Mamoru Takada received lecture fees from Chugai, Eli Lilly, Kirin, Pfizer and Taiho; Gaku Tanaka, ideyuki Hashimoto, Yasuyuki Hirai, Taichi Fukushima, Takeshi Nagashima, Masayuki Otsuka, Fumio Imazeki has no conflict of interest.