Shiroiwa, Takeru http://orcid.org/0000-0003-3055-9932
Fukuda, Takashi
Article History
Accepted: 27 June 2021
First Online: 22 July 2021
Declarations
:
: The National Institute of Public Health provided funding for the conduct of this study and the preparation of this article.
: Takeru Shiroiwa and Takashi Fukuda have no conflicts of interest that are directly relevant to the content of this article.
: This study was conducted with the approval of the Ethics Committee of the National Institute of Public Health (NIPH-IBRA #12179).
: We obtained written informed consent from all the respondents.
: Not applicable.
: Our data are available only to the authors because we obtained informed consent from the respondents under that condition.
: Not applicable.
: TS and TF were involved in the study design and data interpretation. TS was involved in the statistical analysis. This manuscript was prepared by TS. All the authors participated in revising the report and commenting on the drafts of the manuscript, and approved the final report.