1. Epidemic Intelligence Service, US Centers for Disease Control and Prevention, Atlanta, Georgia, USA
2. Division of High Consequence Pathogens and Pathology, US Centers for Disease Control and Prevention, Atlanta, Georgia, USA
3. Ministère de la Santé Publique, Kinshasa, Democratic Republic of the Congo
4. Ecole de Santé Publique de Kinshasa, Kinshasa, Democratic Republic of the Congo
5. US Centers for Disease Control and Prevention, Kinshasa, Democratic Republic of the Congo
6. Faculty of Science, University of Kinshasa, Kinshasa, Democratic Republic of the Congo
7. Division of Viral Diseases, US Centers for Disease Control and Prevention, Atlanta, Georgia,USA
8. Institut National de Recherche Biomédicale, Kinshasa, Democratic Republic of the Congo