Becker JT, Kingsley LA, Molsberry S, Reynolds S, Aronow A, Levine AJ, Martin E, Miller EN, Munro CA, Ragin A, Sacktor N, Selnes OA. Cohort Profile: Recruitment cohorts in the neuropsychological substudy of the Multicenter AIDS Cohort Study. Int J Epidemiol. 2015 Oct; 44(5):1506-16.