Funding for this research was provided by:
All Japan Labor Welfare Foundation
Received: 27 May 2020
Accepted: 20 December 2020
First Online: 28 January 2021
Ethics approval and consent to participate
: Human subjects’ approval was obtained from the Washington University in St. Louis Institutional Review Board (#201812062). This study received exempt status per the U. S Health and Human Services, Office for Human Research Protections guidelines 45 CFR 46.101(b) (2). The first page of the online survey required participants to click the “I Consent” button in order to progress forward and participate in the study. Participants were sent an Exempt IRB Information Sheet with their email invitation that noted participation in the survey was indicative of their consent.
: Not applicable.
: The authors declare that they have no competing interests.