Watanabe, Yusuke http://orcid.org/0000-0001-6747-1139
Tajiri, Kazuko
Suzuki, Atsuko
Nagata, Hiroyuki
Kojima, Masayuki
Article History
Received: 21 July 2020
Accepted: 7 October 2020
First Online: 15 October 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Hitachiomiya Saiseikai Hospital (ID 20-02), and it was carried out in accordance with the Declaration of Helsinki for experiments involving humans. The requirement for written informed consent was waived due to the retrospective nature of the study by our Institutional Review Board.
: Not applicable.
: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.