Murofushi, Keiko Nemoto https://orcid.org/0000-0001-5439-172X
Tomita, Tetsuya
Ohnishi, Kayoko
Nakai, Kei
Akiyama, Azusa
Saida, Tsukasa
Okumura, Toshiyuki
Karasawa, Katsuyuki
Satoh, Toyomi
Sakurai, Hideyuki
Article History
Received: 29 December 2020
Accepted: 11 June 2021
First Online: 29 June 2021
Declarations
:
: This retrospective study was approved by the institutional review board of Tsukuba University and was conducted according to the tenets of the 1975 Declaration of Helsinki. The need for informed consent was waived owing to the retrospective nature of the study.
: Not applicable (our manuscript did not contain any individual person’s data in any form).
: The authors declare that they have no competing interests.