Ishihara, Hiroki http://orcid.org/0000-0002-5146-656X
Takagi, Toshio
Kondo, Tsunenori
Tachibana, Hidekazu
Fukuda, Hironori
Yoshida, Kazuhiko
Iizuka, Junpei
Kobayashi, Hirohito
Okumi, Masayoshi
Ishida, Hideki
Tanabe, Kazunari
Article History
Received: 14 January 2019
Accepted: 7 March 2019
First Online: 16 March 2019
Compliance with ethical standards
:
: Tsunenori Kondo received honoraria from Ono Pharmaceutical but did not have any nonfinancial conflict of interest to declare. All other authors have no conflicts of interest.
: The Internal Ethics Review Board of the Tokyo Women’s Medical University approved this retrospective study (ID: 4998), which was performed in accordance with the principals outlined in the Declaration of Helsinki. Because this was a retrospective study, no formal consent was required.