1. Veterinary Control and Research Institute; 81480 Pendik Istanbul Turkey
2. Pasayigit Caddesi 8 Kesan Turkey
3. Moredun Research Institute; Pentlands Science Park, Bush Loan Penicuik Midlothian EH26 0PZ
4. Veterinary Laboratories Agency - Weybridge; New Haw Addlestone Surrey KT15 3NB