1. Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Via Mezzocannone 8, 80134 Napoli, Italy
2. Geographica srl, Via Prato 41, 84039 Teggiano, Italy
3. Regional Reference Center of Urban Veterinary Hygiene (CRIUV), Via Marco Rocco di Torrepadula c/o Presidio Frullone, 80145 Napoli, Italy
4. Istituto Zooprofilattico Sperimentale del Mezzogiorno, Via Salute 2, 80055 Portici, Italy