1. Center for Infectious Disease Research and Policy, University of Minnesota, Minneapolis, Minnesota, USA
2. Division of Environmental and Occupational Health Sciences, University of Illinois at Chicago, Chicago, Illinois, USA
3. National Laboratory for Zoonotic Diseases and Special Pathogens, Public Health Agency of Canada, Winnipeg, Canada
4. The Galveston National Laboratory, University of Texas Medical Branch, Galveston, Texas, USA
5. Sabin Vaccine Institute, Washington, DC, USA
6. Medical Department Unit, Médecins sans Frontières, Brussels, Belgium
7. Institut National de Recherche Biomédicale, Kinshasa, Democratic Republic of the Congo
8. Ministry of Health, Kinshasa, Democratic Republic of the Congo
9. Ministry of Health and Sanitation, Freetown, Sierra Leone
10. Department of Biological Sciences, Purdue University, Lafayette, Indiana, USA