1. Section of Arctic Veterinary Medicine, Department of Food Hygiene and Infection Biology, Norwegian School of Veterinary Science, NO-9292 Tromsø, Norway
2. Department of Forestry and Wilderness Management, Hedmark University College, NO-2480 Koppang, Norway
3. Department of National Parks and Wildlife Conservation, Royal Bardia National Park, Thakurdwara, Bardia, Nepal
4. Department of Biology and Nature Conservation, Agricultural University of Norway, NO-1432 Ås, Norway