1. Department of Integrative Biology and Biodiversity Research, Institute for Wildlife Biology and Game Management University of Natural Resources and Life Sciences Vienna Austria
2. Abteilung Forstwirtschaft Amt für Jagd und Fischerei Autonome Provinz Bozen Bozen Italy
3. Forststation Kaltern Kaltern an der Weinstrasse Italy
4. Konrad Lorenz Institute of Ethology University of Veterinary Medicine Vienna Austria
5. Deutsche Wildtier Stiftung (German Wildlife Foundation) Hamburg Germany