Matsuki, Ryota
Momose, Hirokazu
Kogure, Masaharu
Suzuki, Yutaka
Mori, Toshiyuki
Sakamoto, Yoshihiro
Article History
Received: 18 August 2020
Accepted: 15 December 2020
First Online: 22 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: This study was approved by the institutional review board of Kyorin University (approval no. 1528) and was conducted in accordance with the Declaration of Helsinki. The need to obtain written informed consent from each patient was waived by the institutional review board; however, information about this study was made available to the patients to ensure that they could refuse to participate in this study.