Affiliation: | 1. Clinic for Small Animal Internal Medicine, Vetsuisse Faculty University of Zurich, Winterthurerstrasse 260, Zurich, 8057 Switzerland;2. Small Animal Medicine Clinic, Centre for Clinical Veterinary Medicine, LMU Munich, Veterinaerstr. 13, Munich, 80539 Germany;3. Brünigstrasse 180, Sarnen, 6060 Switzerland Contribution: Writing - review & editing |