1. Clinic for Small Animal Internal Medicine, Vetsuisse Faculty University of Zurich Zurich Switzerland
2. Swiss Veterinary Association Berne Switzerland
3. Department of Veterinary Medical Sciences University of Bologna Ozzano dell'Emilia Italy
4. Institute of Veterinary Physiology, Vetsuisse Faculty University of Zurich Zurich Switzerland
5. Department of Animal Medicine, Production and Health University of Padova Legnaro (PD) Italy
6. AniCura Istituto Veterinario di Novara Granozzo con Monticello (NO) Italy