Authors’ Disclosures of Potential Conflicts of Interest: Upon manuscript submission, all authors completed the Disclosures of Potential Conflict of Interest form. Potential conflicts of interest:
Employment or Leadership: None declared.
Consultant or Advisory Role: W. Clarke, Thermo Fisher Scientific.
Stock Ownership: None declared.
Honoraria: None declared.
Research Funding: W. Clarke, Thermo Fisher Scientific and the HIV Prevention Trials Network (HPTN) sponsored by the National Institute of Allergy and Infectious Diseases (NIAID), the National Institute on Drug Abuse (NIDA), the National Institute of Mental Health (NIMH), and the Office of AIDS Research, of the NIH, Department of Health and Human Services (U01-AI-068613).
Expert Testimony: None declared.