1. Institute for Veterinary Food Science, Faculty of Veterinary Medicine, Justus Liebig University Giessen, Giessen, Germany
2. Royal GD, Deventer, the Netherlands
3. Clinic for Poultry, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
4. Hainan Institute of Zhejiang University, Sanya, China
5. Department of Veterinary Medicine, Institute of Preventive Veterinary Science, Zhejiang University College of Animal Sciences, Hangzhou, China
6. Centro de Investigación y Estudios Avanzados en Salud Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Toluca, Mexico
7. Deltamune, Centurion, South Africa
8. DGZ Vlaanderen, Torhout, Belgium
9. Animal and Plant Health Agency, Addlestone, Surrey, United Kingdom