Wada, Yusuke https://orcid.org/0000-0002-6900-1357
Aoki, Takeshi
Murakami, Masahiko
Fujimori, Akira
Koizumi, Tomotake
Kusano, Tomokazu
Matsuda, Kazuhiro
Nogaki, Koji
Hakozaki, Tomoki
Shibata, Hideki
Tomioka, Kodai
Article History
Received: 27 October 2019
Accepted: 7 February 2020
First Online: 13 February 2020
Ethics approval and consent to participate
: The study was conducted in accordance with the Declaration of Helsinki. Approval by the Showa University Clinical Research Review Board was obtained for creation and use of this de-identified database for research purposes. As a retrospective cohort study, ethics committee waived the need for informed consent.
: Not applicable.
: The authors declare that they have no competing interests.