1. Department of Veterinary Medicine and Public Health; Sokoine University of Agriculture; PO Box 3021 Morogoro Tanzania
2. Moredun Research Institute; Pentlands Science Park, Bush Loan Penicuik Midlothian EH26 0PZ
3. Veterinary Investigation Centre; PO Box 1068 Arusha Tanzania
4. Royal (Dick) School of Veterinary Studies; Easter Bush Veterinary Centre; Roslin Midlothian EH25 9RG
5. Department of Agriculture; School of Policy and Development; University of Reading; White Knights, PO Box 237 Reading RG6 6AR
6. Foodborne; Waterborne and Zoonotic Infections Division; Centre for Infectious Disease Prevention and Control; Public Health Agency of Canada, FMV; Université de Montréal; 3200 Sicotte, CP 5000 Saint-Hyacinthe Québec J2S 7C6 Canada
7. Institute of Veterinary, Animal and Biomedical Sciences; College of Sciences; Massey University; Palmerston North New Zealand