Funding for this research was provided by:
Centers for Disease Control and Prevention (NU17CE924835)
Received: 24 January 2020
Accepted: 20 March 2020
First Online: 20 April 2020
Ethics approval and consent to participate
: This study was reviewed and deemed exempt by the Institutional Review Boards at the Boston University Medical Campus and the MDPH.
: Not applicable.
: The authors declare that they have no competing interests.