1. Zoonosis Science Center; Department of Medical Biochemistry and Microbiology; Uppsala University; Uppsala Sweden
2. Department of Medical Sciences; Infectious Medicine; Uppsala University; Uppsala Sweden
3. National Laboratory for Veterinary Quality Control on Poultry Production; Animal Health Research Institute; Giza Egypt
4. Friedrich-Loeffler-Institut; Federal Research Institute for AnimalHealth; GreifswaldInsel-Riems Germany