Acknowledgements
The authors would like to thank all technicians (Anja Landmesser, Holger Freese and Ulrike Kleinert) involved in this study for their excellent work. This publication is partly based upon work from COST Action 15116 ASF-STOP supported by the European Cooperation in Science and Technology and was partially funded by the FLI ASF research network. We thank our colleagues from the Estonian Veterinary and Food Laboratory, Tartu, Estonia for the inspiration to begin this project.