1. CBRN & Chemical Toxicological Research Group, Centre for Radiation; Chemical and Environmental Hazards, Health Protection Agency; Chilton UK
2. School of Biosciences; University of Birmingham; Birmingham UK
3. Biomedical Sciences; Dstl Porton Down; Salisbury UK
4. Medical Toxicology Branch Analytical Toxicology Division; US Army Medical Research Institute of Chemical Defense; Aberdeen Proving Ground MD 21010 USA
5. Department of Pharmacy; University of Hertfordshire; Hatfield UK