1. Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany.
2. Department of Veterinary Medicine, Small Animal Clinic, Freie Universität Berlin, Berlin, Germany.
3. Institute of Infectology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany.
4. Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany.