1. Dick White Referrals, Newmarket, Station Farm, London Road Cambridgeshire CB8 0UH UK
2. Southfields Veterinary Specialists, 1 Bramston Way Basildon SS15 6TP UK
3. Queen Mother Hospital for Animals, Royal Veterinary College University of London North Mymms AL9 7TA UK
4. Bloomsbury Institute for Intensive Care Medicine University College London, Gower Street London WC1E 6BT UK