The aim of this study is to examine the utility of neuroimaging technique to evaluate pre-exposure prophylaxis (PrEP) promotion messages for men who have sex with men (MSM) at risk of HIV in Baltimore.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Change of Willingness to Take PrEP
Timeframe: baseline, 30 days post baseline