1. Institute of Molecular Pathogenesis; Friedrich-Loeffler-Institut/Federal Research Institute for Animal Health; Jena Germany
2. Institute of Diagnostic Virology; Friedrich-Loeffler-Institut/Federal Research Institute for Animal Health; Greifswald - Insel Riems Germany
3. CIRAD, UMR ASTRE, INRA; University Montpellier; Montpellier France
4. Research Unit for Animal Husbandry Development (LRDE); INRA SAD; Corte Corsica France
5. Epidemiology Section; Department of Production Animals Studies; Faculty of Veterinary Science; University of Pretoria; Onderstepoort South Africa
6. Department of Animal Science and Production; Botswana College of Agriculture; Gaborone Botswana