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Authors
Sugawara, Norio http://orcid.org/0000-0001-7058-664X
Yasui-Furukori, Norio
Sayama, Masayuki
Shimoda, Kazutaka
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Article History
Received: 21 May 2020
Accepted: 17 September 2020
First Online: 1 October 2020
Ethics approval and consent to participate
: This protocol received approval from the Ethics Committee of Dokkyo Medical University School of Medicine (Approval number: 2019–015), and it conformed to the provisions of the Declaration of Helsinki. The requirement for written informed consent was waived by the Ethics Committee since the study involved record review only. Participants were given the opportunity to opt out of participation.
: The requirement for written informed consent was waived by the Ethics Committee, since the study involved record review only. Participants were given the opportunity to opt out of participation.
: The authors report no conflicts of interest in this work.
