1. Division of Viral Hepatitis, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
2. Division of Communicable Diseases, Michigan Department of Health and Human Services, Lansing, Michigan, USA
3. Bureau for Public Health, West Virginia Department of Health and Human Resources, Charleston, West Virginia, USA
4. Career Epidemiology Field Officer Program, Division of State and Local Readiness, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
5. Kentucky Department for Public Health, Frankfort, Kentucky, USA