Funding for this research was provided by:
National Institute on Drug Abuse (5T32DA007292, K01DA046234)
National Institute of Allergy and Infectious Diseases (1P30AI094189)
Behavioral Health System Baltimore (AS019-HRO-JHPH)
Received: 23 November 2020
Accepted: 29 January 2021
First Online: 28 April 2021
Ethics approval and consent to participate
: The PROMOTE study was approved by the Johns Hopkins Bloomberg School of Public Health Institutional Review Board. All participants provided oral consent before participating.
: Not applicable.
: The authors declare that they have no competing interests