1. Department of Clinical Veterinary Medicine, Small Animal Clinic, Vetsuisse Faculty; University of Zurich; Zurich Switzerland
2. School of Veterinary Medicine; Section of Medical Genetics; University of Pennsylvania; Philadelphia Pennsylvania USA
3. Department of Clinical Neurophysiology; Swiss Epilepsy Centre, Laboratory of EEG and Long Term Monitoring; Zürich Switzerland
4. Section of Veterinary Epidemiology, Vetsuisse Faculty; University of Zurich; Zurich Switzerland
5. Department of Small Animals, Neurology Service; VetSuisse Faculty - University of Zurich; Zurich Switzerland