1 Department of Animal Environment and Health, Swedish University of Agricultural Sciences, and the Swedish Centre for Animal Welfare (SCAW), Skara, Sweden.
2 Department of Health Care Sciences, Ersta Sköndal Bräcke University College, Stockholm, Sweden.
3 Independent Veterinary Consultant, Welfare Max, Bristol, United Kingdom.
4 Wildlife Conservation Society, Bronx, NY, United States.
5 Research Institute of Wildlife Ecology, University of Veterinary Medicine Vienna, Vienna, Austria.