1. Institute of Technology, University of Tartu, Tartu, Estonia
2. Department of Biomedical Sciences, Institute of Tropical Medicine, Antwerp, Belgium
3. University of Nottingham, School of Veterinary Medicine and Science, Loughborough, United Kingdom
4. The Pirbright Institute, Woking, United Kingdom
5. Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium