[1] Univ Florida, Coll Publ Hlth, Dept Epidemiol, Gainesville, FL USA
[2] Univ Florida, Coll Hlth Profess & Med, Dept Epidemiol, Gainesville, FL USA
[3] Georgetown Univ, Med Ctr, Dept Med, Washington, DC 20007 USA
[4] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Epidemiol, Baltimore, MD USA
[5] Univ Florida, Dept Clin & Hlth Psychol, Coll Publ Hlth & Hlth Profess, Gainesville, FL USA
[6] Los Angeles LGBT Ctr, Los Angeles, CA USA