1. Anicura Istituto Veterinario Novara, Strada Provinciale 9, 28060 Granozzo con Monticello, Novara, Italy
2. Department of Veterinary Sciences, University of Pisa, Via Livornese, 56122 San Piero a Grado, Pisa, Italy
3. Department of Animal Medicine, Production and Health, University of Padova, Viale dell’Università 16, 35020 Legnaro, Padova, Italy
4. Clinic for Small Animal Internal Medicine, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, 8057 Zurich, Switzerland