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Article History

Received: 14 October 2022

Accepted: 14 January 2023

First Online: 20 January 2023

Declarations

:

: The authors of this manuscript certify that they comply with the ethical guidelines for editorship and publishing in the journal. Approval by the Institutional Review Board of the National Cancer Center was not required under national policies because this study (Institute Study No. 6000–050) was a minimal-risk study involving health care professionals and was beyond the scope of the “Ethical Guidelines for Medical and Health Research Involving Human Subjects” in Japan.

: Potential participants were informed that the study would use an anonymized questionnaire and that the results obtained would be analyzed in a confidential environment in the invitation letter. Completion and return of the questionnaire were taken as consent to participate in the study. If participants did not want to participate, we requested the return of the questionnaire with “no participation” indicated. If participants were not eligible to participate in this survey, we also requested the return of the questionnaire with “not eligible” indicated.

: The authors declare no competing interests.