1. Institute of Veterinary Pathology at the Centre for Clinical Veterinary Medicine, LMU Munich; Munich Germany
2. Institute for Infectious Diseases and Zoonoses, LMU Munich; Munich Germany
3. Chair of Animal Breeding, Technische Universität München; Freising-Weihenstephan Germany
4. Clinic for Ruminants with Ambulatory and Herd Health Services at the Centre for Clinical Veterinary Medicine, LMU Munich; Oberschleißheim Germany