Examining the moderating effects of biopsychosocial factors on the relationship between HIV-related depression and cognitive function among adolescents living with HIV in Tanzania: A protocol for an analytical cross-sectional study

探讨生物心理社会因素对坦桑尼亚艾滋病毒感染青少年艾滋病毒相关抑郁症与认知功能之间关系的调节作用：一项分析性横断面研究方案