1. Tierarztpraxis VoelkendorfPrivate PracticeVillachAustria
2. Department of Internal MedicineUniversity of Veterinary Medicine ViennaWienAustria
3. Institute of Animal Nutrition and Functional Plant CompoundsUniversity of Veterinary Medicine ViennaWienAustria
4. Department of PathobiologyInstitute of PathologyUniversity of Veterinary Medicine ViennaWienAustria