Ishihara, Hiroki http://orcid.org/0000-0002-5146-656X
Takagi, Toshio
Kondo, Tsunenori
Fukuda, Hironori
Tachibana, Hidekazu
Yoshida, Kazuhiko
Iizuka, Junpei
Kobayashi, Hirohito
Okumi, Masayoshi
Ishida, Hideki
Tanabe, Kazunari
Article History
Received: 16 September 2019
Accepted: 12 December 2019
First Online: 19 December 2019
Compliance with ethical standards
:
: Tsunenori Kondo received honoraria from Ono Pharmaceutical. All other authors have no conflicts of interest to declare.
: The study protocol was approved by the Institutional Ethics Review Board of the Tokyo Women’s Medical University. The present study was performed in accordance with the principles outlined in the Declaration of Helsinki of 1964 and its later amendments.
: Due to the retrospective observational nature of this study, the need for informed consent was waived.