Horiguchi, Suguru
Naganuma, Atsushi http://orcid.org/0000-0003-0663-0102
Tateyama, Yumeo
Suzuki, Yuhei
Hoshino, Takashi
Saito, Naoto
Hatanaka, Takeshi http://orcid.org/0000-0003-3656-285X
Takakusagi, Satoshi
Kosone, Takashi
Takagi, Hitoshi http://orcid.org/0000-0002-5924-1170
Uraoka, Toshio http://orcid.org/0000-0002-4425-4331
Kakizaki, Satoru http://orcid.org/0000-0003-0224-7093
Article History
Received: 19 January 2021
Accepted: 14 March 2021
First Online: 29 April 2021
Declarations
:
: The study protocol was approved by the institutional review board of Takasaki General Medical Center (No. 2020-4) and its institution. The study protocol was in compliance with the Declaration of Helsinki. In the present study, informed consent was obtained in an opt-out form, which was displayed on the website and/or at Takasaki General Medical Center, Kusunoki Hospital, Gunma Saiseikai Maebashi Hospital and Gunma University Hospital.
: The authors declare no competing interests.