1. Epicentre, Massey University School of Veterinary Science, Palmerston North, New Zealand
2. Poultry Industry Association of New Zealand (PIANZ), Auckland, New Zealand
3. Diagnostic and Surveillance Services Directorate, Ministry for Primary Industries, Upper Hutt, New Zealand
4. New Zealand Food Safety Science and Research Centre, Hopkirk Research Institute, Massey University, Palmerston North, New Zealand