1. Avian Diseases Section, Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, India
2. Poultry Disease Diagnosis and Surveillance Laboratory, Veterinary College and Research Institute, Namakkal, Tamil Nadu, India
3. Central University Laboratory, Tamil Nadu Veterinary and Animal Sciences University, Chennai, India
4. Department of Microbiology, DUVASU, Mathura, India
5. Division of Biological Standardization, ICAR-Indian Veterinary Research Institute, Izatnagar, India
6. ICAR-Indian Veterinary Research Institute, Izatnagar, India
7. Avian Viral Diseases Programme Compton Laboratory, Berkshire, UK