1. Institute of Genetics, Vetsuisse Faculty, University of Bern, 3001, Switzerland
2. Dermfocus, Vetsuisse Faculty, University of Bern, 3001, Switzerland
3. San Marco Veterinary Clinic and Laboratory, Padova 35141, Italy
4. Section of Medical Genetics, Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104
5. Institute of Animal Pathology, Vetsuisse Faculty, University of Bern, 3001, Switzerland