1. Division of VirologyPaul‐Ehrlich‐Institute Langen Hessen Germany
2. Institute for Transfusion Medicine and ImmunohematologyGoethe‐University and German Red Cross Blood Service Frankfurt am Main Hessen Germany
3. Division of ImmunologyPaul‐Ehrlich‐Institute Langen Hessen Germany
4. Department of Genetics of Eukaryotes Institute of Industrial Genetics Stuttgart, Baden‐Württemberg Germany
5. Division of Veterinary MedicinePaul‐Ehrlich‐Institute Langen Hessen Germany