1. Department of Infectious Diseases and Geographic Medicine, Stanford University, California
2. Department of Internal Medicine
3. Department of Internal Medicine, Eisenhower Medical Center, Rancho Mirage, California
4. Infectious Diseases, Kern Medical Center, Bakersfield, California
5. David Geffen School of Medicine, University of California, Los Angeles
6. Sequoia Heart and Vascular Institute, Redwood City, California
7. Department of Pathology, Sequoia Hospital, Redwood City, California