Funding for this research was provided by:
The Lerner Center for Health Promotion at the Johns Hopkins Bloomberg School of Public Health (N/A)
Received: 28 March 2019
Accepted: 10 December 2019
First Online: 10 February 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of the Johns Hopkins Bloomberg School of Public Health (#00006968). Respondents provided verbal consent to participate.
: Not applicable.
: The authors declare that they have no competing interests.