Accepted for/Published in: JMIR Public Health and Surveillance
Date Submitted: Sep 13, 2020
Date Accepted: Mar 3, 2021
Date Submitted to PubMed: Apr 9, 2021
Warning: This is an author submission that is not peer-reviewed or edited. Preprints - unless they show as "accepted" - should not be relied on to guide clinical practice or health-related behavior and should not be reported in news media as established information.
