1. Poultry Diseases Diagnostic Laboratory, Bornova Veterinary Control Institute Ministry of Agriculture and Forestry Izmir Turkey
2. Faculty of Veterinary Medicine Department of Veterinary Pathology, Kirikkale University Kirikkale Turkey
3. Faculty of Veterinary Medicine Department of Veterinary Virology, Ondokuz Mayis University Samsun Turkey
4. Faculty of Veterinary Sciences Department of Preventive Medicine and Clinical Studies, University of Gadarif Al Qadarif Sudan
5. Veterinary Science Center, School of Veterinary Medicine University College of Dublin Belfield Dublin Ireland
6. Faculty of Veterinary Medicine Department of Veterinary Pathology, Ondokuz Mayis University Samsun Turkey