1. Department of Ecosystem and Public Health; Faculty of Veterinary Medicine; University of Calgary; 3280 Hospital Drive NW Calgary AB T2N 4Z6 Canada
2. Department of Biological Sciences; University of Calgary; 2500 University Drive NW Calgary AB T2N 1N4 Canada
3. Italian National Institute for Environmental Protection and Research; ISPRA; Via di Castel Romano, 100 CAP 00128 Rome Italy
4. Canadian Cooperative Wildlife Health Centre Alberta; 3280 Hospital Drive NW Calgary AB T2N4Z6 Canada