The Role of PrEP Initiation on Depression Severity, HIV-Related Anxiety, HIV Stigma, and PrEP Stigma Among Sexual Minority Men in Singapore: Findings from a Prospective Cohort and Longitudinal Mixed-Methods Study. - Naidu KNC; Ong C; Tan RKJ; Le T; Ching CS; Chia TPC; Archuleta S; Olszyna D (AIDS and behavior, 2026)