1. Anicura Istituto Veterinario di Novara, Strada Provinciale 9, 28060 Granozzo con Monticello, NO, Italy
2. Department of Biology, University of Florence, Via Madonna del Piano 6, 50019 Sesto Fiorentino, FI, Italy
3. Department of Animal Medicine, Production and Health, University of Padova, Viale dell’Università 16, 35020 Legnaro, PD, Italy
4. Clinic for Small Animal Internal Medicine, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, 8057 Zurich, Switzerland