From the *Denver Public Health, Denver, CO; and Departments of †Medicine and ‡Family Medicine, University of Colorado, Denver, Aurora, CO
The authors have no conflicts of interest.
Correspondence: Mark Thrun, MD, HIV/STD Prevention and Control, Denver Public Health, Denver, CO 80204. E-mail: firstname.lastname@example.org.
Received for publication April 10, 2014, and accepted April 29, 2014.