1. Department of Statistics, University of California, Irvine
2. Biostatistics Research Branch, National Institute of Allergy and Infectious Diseases
3. Clinical Monitoring Research Program Directorate, Frederick National Laboratory for Cancer Research
4. Epidemiology Unit, National Institute of Allergy and Infectious Diseases
5. Critical Care Medicine Department, Clinical Center, National Institutes of Health
6. Division of Infectious Diseases, Emory University School of Medicine
7. Susan and Henry Samueli College of Health Sciences, University of California, Irvine
8. Orange County Health Care Agency
9. Los Angeles County Department of Public Health
10. Edwards Lifesciences
11. Department of Statistics, University of California, Irvine vminin@uci.edu