Funding for this research was provided by:
National Center for Chronic Disease Prevention and Health Promotion (U48DP005045, 6 NU58DP004812-04)
Received: 22 January 2018
Accepted: 18 September 2018
First Online: 27 September 2018
Ethics approval and consent to participate
: Because no personal or privet information was collected, and there was no compelling need to retain identifying information, verbal consent was obtained from each participant prior to completing the interview. The student methods were approved by the Institutional Review Boards at the Johns Hopkins Bloomberg School of Public Health and the Maryland Department of Health.
: Not applicable.
: The authors declare that they have no competing interests.
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