1. Infectious Disease Preparedness, Statens Serum Institut, Copenhagen, Denmark
2. Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
3. Zoonosis Centre, Finnish Food Authority, Helsinki, Finland
4. Meilahti Infectious Diseases and Vaccine Research Center MeIVac, Department of Infectious Diseases, University of Helsinki, Helsinki, Finland
5. Helsinki University Hospital, Helsinki, Finland