1. Department of Tropical Medicine at the Bernhard Nocht Institute, Bundeswehr Hospital Hamburg, Hamburg, Germany
2. Institute for Medical Microbiology, Virology and Hygiene, University Medicine Rostock, Rostock, Germany
3. Institute for Microbiology, Charité – University Medicine Berlin, Berlin, Germany
4. Infectious Disease Epidemiology, Bernhard Nocht Institute for Tropical Medicine Hamburg, Hamburg, Germany
5. Department of Preventive Medicine, Bundeswehr Medical Academy, Munich, Germany
6. Institute for Medical Microbiology, Virology and Hygiene, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
7. Central Institute of the Bundeswehr Medical Service Koblenz, Koblenz, Germany
8. Department of Microbiology and Parasitology, University of Antananarivo, Antananarivo, Madagascar