Funding for this research was provided by:
EA Pharma Co., Ltd. (NA)
Received: 16 October 2021
Accepted: 21 February 2022
First Online: 10 March 2022
: This study was approved by the Institutional Review Board of the Aichi Medical University (approval number: 2016-M025; Approved 2016.10.6) and was performed in compliance with the principles of the Declaration of Helsinki and the Ethical Guidelines for Medical and Health Research Involving Human Subjects, enacted by the Japanese Ministry of Education, Culture, Sports, Science and Technology and the Ministry of Health, Labour and Welfare (December 22, 2014). The internet survey and statistical analysis of data were outsourced to Rakuten Insight, Inc. (Osaka, Japan). Participants were free to withdraw their consent at any time via the Internet.
: Not applicable.
: The authors declare that they have no competing interests.