1. Department of Environmental and Public Health Sciences University of Cincinnati College of Medicine Cincinnati Ohio USA
2. Department of Infectious Disease Cincinnati Children's Hospital Medical Center Cincinnati Ohio USA
3. Department of Biostatistics and Epidemiology Cincinnati Children's Hospital Medical Center Cincinnati Ohio USA
4. Division of Viral Diseases Centers for Disease Control and Prevention Atlanta Georgia USA
5. Department of Rehabilitation, Exercise and Nutrition Sciences University of Cincinnati College of Allied Health Sciences Cincinnati Ohio USA
6. Cherokee Nation Assurance Arlington Virginia USA
7. Division of Foodborne, Waterborne, and Environmental Diseases Centers for Disease Control and Prevention Atlanta Georgia USA