1. Division of HIV/AIDS Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia.
2. Cerner Corporation, Kansas City, Missouri.
3. Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania.
4. Feinberg School of Medicine, Northwestern University, Chicago, Illinois.
5. Department of Medicine, University of Illinois, Chicago, Illinois.
6. Dupont Circle Physicians Group, Washington, District of Columbia.