1. Department of Disease Control, University of Zambia, School of Veterinary Medicine, P.O. Box 32379, Lusaka, Zambia
2. National Veterinary Institute, P.O. Box 8156 Dep., N-0033 Oslo, Norway
3. Zambia Wildlife Authority, Private Bag 1, Chilanga, Zambia
4. Department of Paraclinical Veterinary Studies, University of Zimbabwe, P.O. Box MP 167, Mount Pleasant, Harare, Zimbabwe
5. Animal Disease Research, Institute, Canada Food Inspection Agency, 3851 Fallowfield Road, Nepean, Ontario, Canada K2H 8P9
6. Section of Arctic Veterinary Medicine, Department of Food Safety and Infection Biology, The Norwegian School of Veterinary Science, Stakkevollveien 23, N-9010 Tromsø, Norway
7. Department of Food Safety and Infection Biology, Norwegian School of Veterinary Science, P.O. Box 8146 Dep., N-0033 Oslo, Norway