1. Medical Social Sciences, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
2. Evaluation, Data Integration, and Technical (EDIT) Assistance Program, Northwestern University Institute for Sexual and Gender Minority Health and Wellbeing, Chicago, Illinois.
3. Pediatrics, Ann and Robert H Lurie Children's Hospital of Chicago, Chicago, Illinois.
4. AIDS Foundation of Chicago, Chicago, Illinois.
5. Department of Anthropology and Sociology, Kalamazoo College, Kalamazoo, Michigan.
6. Department of Sociology, University of Illinois at Chicago, Chicago, Illinois.