1. Faculty of Veterinary Medicine, University of Helsinki (FINPAR), P.O. Box 66, 00014 University of Helsinki, Helsinki, Finland.
2. Wazama Media Ltd, Nurminiementie 2, 93600 Kuusamo, Finland.
3. Finnish Food Safety Authority Evira (FINPAR), Elektroniikkatie 3, 90590 Oulu, Finland.
4. Department of Ecosystem and Public Health, Faculty of Veterinary Medicine, University of Calgary, 3280 Hospital Drive NW, Calgary, AB, T2N 4Z6, Canada.
5. Canadian Wildlife Health Cooperative, Alberta Node, Faculty of Veterinary Medicine, University of Calgary, 11877 85th Street NW, Calgary, AB, T3R 1J3, Canada.
6. Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi 62, 51014 Tartu, Estonia.
7. Department of Microbiology and Infection Control, Statens Serum Institut, Artillerivej 5, 2300 Copenhagen S, Denmark.
8. US National Parasite Collection, ARS, USDA, Animal Parasitic Diseases Laboratory, BARC East 1180, 10300 Baltimore Avenue, Beltsville, MD 20705, USA.