Funding for this research was provided by:
Centers for Disease Control and Prevention (6 NU58DP005956-03)
Received: 22 February 2019
Accepted: 21 October 2019
First Online: 8 November 2019
Ethics approval and consent to participate
: This project was submitted to the NYC Health Department’s Institutional Review Board and was determined to be not be human subjects research. Therefore, ethics approval and consent to participate are not applicable.
: Not applicable.
: The authors declare that they have no competing interests.