1. Department of Medicine, UCLA Medical Center
2. Los Angeles BioMedical Research Institute at Harbor-UCLA Medical Center and the David Geffen School of Medicine at UCLA, Los Angeles
3. Departments of Medicine
4. ViroLogic, Inc., South San Francisco, California
5. Pathology, University of California, San Diego
6. VA San Diego Healthcare System, La Jolla
7. Institute of Evolutionary Biology, School of Biological Sciences, University of Edinburgh, Edinburgh, Scotland