1. Emergency Preparedness Program, North Central Health District, Georgia Department of Public Health, Macon
2. Department of Pediatrics, Columbia University Medical Center, New York
3. Department of Epidemiology, Mailman School of Public Health, Columbia University, New York
4. Department of Medicine, Columbia University Medical Center, New York
5. Department of Infection Prevention and Control, NewYork-Presbyterian Hospital, New York
6. Department of Pathology and Cell Biology, Columbia University Medical Center, New York
7. Centers for Disease Control and Prevention, Atlanta, Georgia
8. Department of Population and Family Health, Mailman School of Public Health, Columbia University, New York