Aragaki, Masato https://orcid.org/0000-0002-2943-764X
Kato, Tatsuya
Fujiwara-Kuroda, Aki
Hida, Yasuhiro
Kaga, Kichizo
Wakasa, Satoru
Article History
Received: 29 April 2020
Accepted: 24 August 2020
First Online: 28 August 2020
Ethics approval and consent to participate
: All patients provided informed consent for the procedure and provided written informed consent for institutional storage of their personal data in a scientific database. The medical ethics committee of the Hokkaido University School of Medicine approved the present study’s retrospective protocol (#019–0346), which was registered at (#5246).
: The requirement for patient consent for publication was waived based on the use of de-identified data.
: The authors declare no conflicts of interest in association with the present study.