Kim, Mai
Dam, Trang Thuy
Ogawa, Masaru
Shimizu, Takahiro
Yamaguchi, Takahiro
Suzuki, Keisuke
Asami, Takuya
Kurihara, Jun
Yokoo, Satoshi
Article History
Received: 10 May 2020
Accepted: 23 November 2020
First Online: 7 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study received approval from the Medical Ethics Review HS2018-190 of the Gunma University of Medicine Institutional Medical Ethics and complies with the 1964 Declaration of Helsinki. Moreover, no prospective studies with human participants were conducted.
: Because of the retrospective nature of this work, informed consent was waived for individual participants included in the study in accordance with the standards of the Gunma University of Medicine Institutional Medical Ethics Review Committee.