1. Epidemic Intelligence Service; Centers for Disease Control and Prevention (CDC); Atlanta Georgia USA
2. Poxvirus and Rabies Branch; CDC; Atlanta Georgia USA
3. Miami Transplant Institute; University of Miami Miller School of Medicine; Miami Florida USA
4. Northwestern University Feinberg School of Medicine; Chicago Illinois USA
5. Emory University School of Medicine; Atlanta Georgia USA
6. Georgia Department of Public Health; Atlanta Georgia USA
7. Florida Department of Health; Tallahassee Florida USA