1. Current affiliation: Swedish University of Agricultural Sciences, Uppsala, Sweden.
2. Current affiliation: Indian Veterinary Research Institute, Bhopal, India.
3. Current affiliation: Animal Production and Breeding, Krishi Bhavan, New Delhi, India.
4. Current affiliation: Texas Veterinary Medical Diagnostic Laboratory, College Station, Texas, USA.
5. Current affiliation: Taurus Animal Health, Hampshire, UK.