1. LGC; Newmarket Road Fordham Cambridgeshire CB7 5WW UK
2. Drug Control Centre; Analytical and Environmental Sciences Research Divisions, King's College London; 150 Stamford Street London SE1 9NH UK
3. British Horseracing Authority; 75 High Holborn London WC1V 6LS UK
4. Racing NSW; Level 11, 51 Druitt Street Sydney NSW 2000 Australia
5. School of Animal and Veterinary Sciences; Charles Sturt University; Locked Bag 588 Wagga Wagga NSW 2678 Australia