1. School of Medicine; University of California San Francisco (UCSF); San Francisco CA USA
2. Division of Infectious Diseases; UCSF; San Francisco CA USA
3. Waterborne Disease Prevention Branch; Centers for Disease Control and Prevention (CDC); Atlanta GA USA
4. Department of Infectious Diseases; Washington Hospital Healthcare System; Fremont CA USA
5. Infectious Diseases Pathology Branch; CDC; Atlanta GA USA
6. Epidemic Intelligence Service; CDC; Atlanta GA USA
7. Department of Pharmaceutical Services; UCSF; San Francisco CA USA
8. Department of Cardiology; UCSF; San Francisco CA USA