1. Clinic for Zoo Animals, Exotic Pets and Wildlife; Vetsuisse Faculty; University of Zurich; 8057 Zurich Switzerland
2. Al Wabra Wildlife Preservation; P.O. Box 44069 Doha Qatar
3. Institute of Veterinary Anatomy, Histology and Embryology; Veterinary Faculty; LMU Munich; Veterinärstr. 13 80539 Munich Germany