1. Clinic for Small Animal Internal Medicine Dermatology Unit Vetsuisse Faculty University of Zurich Winterthurerstrasse 260 8057 Zurich Switzerland
2. Institute of Genetics Vetsuisse Faculty University of Berne Bremgartenstrasse 109a 3001 Berne Switzerland
3. Institute of Parasitology Vetsuisse Faculty University of Zurich Winterthurerstrasse 260 8057 Zurich Switzerland
4. Institut für Infektionsmedizin Friedrich‐Loeffler‐Institut Federal Research Institute for Animal Health Südufer 10 17493 Greifswald ‐ Insel Riems Germany
5. Swiss Institute of Allergy and Asthma Research (SIAF) University of Zurich Obere Strasse 22 7270 Davos Switzerland
6. Christine Kühne‐Center for Allergy Research and Education Herman‐Burchard‐Strasse 1 7265 Davos Switzerland