1. Robert Koch Institute, Nordufer 20, 13353 Berlin, Germany
2. Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig, Germany
3. Lanada/Lcpa, Bingerville, Côte d'Ivoire
4. Institute of Human Virology, University of Maryland, 725 W. Lombard Street, Baltimore, Maryland 21201
5. Ebola Taï Forest Project, World Health Organization, WHO Office, Abidjan, Côte d'Ivoire
6. Norwegian School of Veterinary Science, P.O. Box 8146 dep., N-0033 Oslo, Norway