Sekine, Yuuki
Sugo, Hiroyuki http://orcid.org/0000-0002-3958-2082
Miyano, Shozo
Watanobe, Ikuo
Machida, Michio
Kojima, Kuniaki
Article History
Received: 31 December 2020
Accepted: 11 March 2021
First Online: 19 March 2021
Declarations
: The study was reviewed and approved by the Institutional Review Board of Juntendo University Nerima Hospital (Tokyo, Japan; approval number: 17-46), and the requirement for informed consent was waived because of the retrospective nature of the study and the use of anonymized data.
: The authors declare no competing interests.