1. Epidemiology Section, North Carolina Department of Health and Human Services, Raleigh, North Carolina, USA
2. Epidemiology Section, North Carolina Department of Health and Human Services, Raleigh, North Carolina, USA, Career Epidemiology Field Officer, Division of State and Local Readiness, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
3. Institute of Global Health and Infectious Diseases, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA