Funding for this research was provided by:
Center for Drug Use and HIV Research (P30DA011041)
Received: 30 October 2019
Accepted: 4 August 2020
First Online: 17 August 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Ethics approval for this study was obtained by the New York University Grossman School of Medicine Institutional Review Board and the Bellevue Research Review Committee. Written informed consent was obtained from all individual participants included in the study.
: Not applicable.
: All of the authors declare that they have no conflict of interest.