1. Clinical Virology Section, Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany
2. Chipron GmbH, Berlin, Germany
3. National Heart and Lung Institute, Imperial College London, United Kingdom
4. Institut National de Recherche Biomédicale, Kinshasa, Democratic Republic of Congo
5. Department of Microbiology, University of Hong Kong, China
6. Institute of Hygiene and Environmental Health, Hamburg, Germany
7. Institute of Virology, Faculty of Veterinary Medicine, University of Utrecht, The Netherlands
8. Central Laboratory of Virology, University Hospitals of Geneva, Switzerland