1. Landbrugets Veterinaere Konsulenttjeneste (LVK), Hobro, Denmark
2. GD Animal Health, Deventer, the Netherlands
3. MSD Animal Health, Boxmeer, the Netherlands
4. Elanco Animal Health, Utrecht, the Netherlands
5. Ceva Animal Health, Libourne, France
6. Veterinary Faculty, University of Utrecht, the Netherlands
7. Ceva Animal Health, Lenexa, KS, USA