1. Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, Italy
2. Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, 56124 Pisa, Italy
3. Independent Researcher, 06100 Perugia, Italy
4. Azienda Unità Sanitaria Locale (AUSL) Umbria 2, Viale Bramante 37, 05100 Terni, Italy
5. Sport Horse Research Center, Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, Italy