From the New York City Department of Health and Mental Hygiene, New York, NY
Acknowledgments: The authors thank Julia Schillinger, Jay Varma, and Kent Sepkowitz for helpful comments on the manuscript; Sonny Ly for conducting the match; and Laura Stadelmann for guidance on data sources.
Funding: This analysis was supported through a cooperative agreement between the New York City Department of Health and Mental Hygiene, HIV Epidemiology and Field Services Program, and the Centers for Disease Control and Prevention (PS08-80202, No. U62/CCU223595).
Conflicts of interest and source of funding: None declared.
Correspondence: Ellen W. Wiewel, MHS, 42-09 28th St, 22nd Floor, Long Island City, NY 11101. E-mail: firstname.lastname@example.org.