1. Clinic for Small Animal Internal Medicine, Vetsuisse Faculty University of Zurich Zurich Switzerland
2. Department of Animal Medicine, Production and Health University of Padova Legnaro (PD) Italy
3. AniCura Istituto Veterinario Novara Granozzo con Monticello (NO) Italy
4. Institute of Veterinary Physiology, Vetsuisse Faculty, University of Zurich Zurich Switzerland