1. Veterinary Public Health Institute; Vetsuisse Faculty; University of Berne; Berne Switzerland
2. Department of Clinical Studies-New Bolton Center; University of Pennsylvania, School of Veterinary Medicine; Kennett Square USA
3. Section of Epidemiology; Vetsuisse Faculty; University of Zurich; Zurich Switzerland
4. Vetstream Ltd; Cambridge UK
5. Equine Department; Section of Anaesthesiology; University of Zurich; Zurich Switzerland