Affiliation: | 1. Department of Dermatology, Vetsuisse Faculty, University of Zurich, , 8057 Zurich, Switzerland;2. Department of Dermatology, Centre Hospitalier Universitaire Vaudois, , 1011 Lausanne, Switzerland;3. Vetsuisse Faculty, Institute of Veterinary Pathology, University of Zurich, , 8057 Zurich, Switzerland;4. Small animal practice Rech, , 8053 Zurich, Switzerland |