1. German Red Cross Blood Service NSTOB Springe Germany
2. Institute for Parasitology University of Veterinary Medicine Hannover Germany
3. Research Center for Emerging Infections and Zoonoses University of Veterinary Medicine Hannover Germany
4. Department of Biochemistry University of Veterinary Medicine Hannover Germany
5. Institute of Virology University of Veterinary Medicine Hannover Germany
6. Institute of Novel and Emerging Infectious Diseases Friedrich‐Loeffler‐Institut Greifswald‐Island of Riems Germany
7. Institute of Clinical Chemistry and Laboratory Medicine University Medicine Oldenburg Oldenburg Germany
8. Bavarian Red Cross Blood Service Institute Nuremberg Nuremberg Germany