Iwase, Takehito
Baba, Takayuki http://orcid.org/0000-0002-8178-8391
Saito, Yuya
Nizawa, Tomohiro
Yokouchi, Hirotaka
Kubota-Taniai, Mariko
Kitahashi, Masayasu
Yamamoto, Shuichi
Article History
Received: 17 August 2020
Accepted: 6 February 2021
First Online: 21 February 2021
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest regarding the publication of this article.
: This study was approved by the Institutional Review Board of Chiba University Graduate School of Medicine (No.3826), and the procedures conformed to the tenets of the Declaration of Helsinki. The procedures to be used and the purpose of this study were transmitted to the patients through the Internet, and the patients were eligible to opt out from the study. The collection of data was conducted based on the Ethical Guidelines for Medical and Health Research Involving Human Subjects in Japan.
: All authors confirm that the manuscript has been read and approved by all named authors.
: This was a retrospective study and was not registered as a clinical trial.
: This study does not include animal experiments.