Received: 14 March 2021
Accepted: 27 April 2021
First Online: 13 May 2021
Change Date: 29 July 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/S41182-021-00350-Y
: The study was approved by the Ethical Review Board of the Institute of Tropical Medicine, Nagasaki University (authorization number of 200409235). Each respondent was informed about this study, and they had all the rights and means to cancel their entry. The respondents who provided consent to respond to the questions clicked the ‘Continue’ button to proceed with the process. Only the responses of only those who completed the self-administered questionnaire were uploaded as survey data. Anonymized data were provided by Rakuten Insight for this analysis.
: It is not applicable, because this research article does not include any individual respondent data, such as images, videos or voice recordings.
: The author declares that she has no competing interests.