Affiliations

• ¹ School of Biological Sciences, University of Bristol, Tyndall Avenue, Bristol BS8 1TQ, UK Cabot Institute, University of Bristol, Cantocks Close, Bristol BS8 1TS, UK.
• ² Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, CREMOPAR, Regione Campania, Naples, Italy.
• ³ Section of Veterinary Epidemiology, University of Zurich, Winterthurerstrasse 270, Zurich CH-8057, Switzerland.
• ⁴ School of Veterinary Medicine, University College Dublin, Belfield, Dublin, Ireland.
• ⁵ Moredun Research Institute, Pentlands Science Park, Midlothian EH26 0PZ, UK.
• ⁶ Department of Virology, Parasitology and Immunology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, Merelbeke 9820, Belgium.
• ⁷ Institute of Parasitology, University of Zurich, Winterthurerstrasse 266a, Zurich CH-8057, Switzerland.
• ⁸ Avia-GIS BVBA, Risschotlei 33, Zoersel 2980, Belgium.
• ⁹ Cabot Institute, University of Bristol, Cantocks Close, Bristol BS8 1TS, UK School of Veterinary Sciences, University of Bristol, Langford House, Bristol BS40 5DU, UK.