1. Department of Chemistry, University of Reading, Whiteknights, Reading RG6 6DX, UK
2. Department of Health Sciences, "Magna Græcia University" of Catanzaro, Campus Universitario "Salvatore Venuta" Viale Europa, 88100, Catanzaro, Italy
3. School of Agriculture, Policy and Development, University of Reading, Whiteknights, Reading RG6 6EU, UK
4. Veterinary Epidemiology and Economics Research Unit (VEERU), PAN Livestock Services Ltd, School of Agriculture, Policy and Development, University of Reading, Whiteknights, Reading RG6 6EU, UK
5. Waters Corporation, Stamford Avenue, Wilmslow, SK9 4AX, UK