Suzuki, Hime
Mikami, Takeshi http://orcid.org/0000-0002-8608-1037
Tamada, Tomoaki
Ukai, Ryo
Akiyama, Yukinori
Yamamura, Akinori
Houkin, Kiyohiro
Mikuni, Nobuhiro
Article History
Received: 28 June 2019
Revised: 20 August 2019
Accepted: 12 September 2019
First Online: 4 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest..
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee (The ethics committee of Sapporo Medical University Hospital) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Patient consent was obtained with an opt-out policy using a website as this study was a retrospective case series. Therefore, formal consent was not required.