Ochi, Manami
Fujiwara, Takeo
Article History
Received: 1 April 2021
Accepted: 12 August 2021
First Online: 10 September 2021
Declarations
:
: All procedures were conducted in accordance with the Declaration of Helsinki and Ethical Guidelines for Medical and Health Research Involving Human Subjects. Approval from the ethics committee of the Tokyo Medical and Dental University was waived because the data were anonymous and available from the Ministry of Health, Labour, and Welfare in Japan upon request. Questionnaire responses from participants were considered as informed consent to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.