[1] Univ Leicester, MRC, Toxicol Unit, Hodgkin Bldg,Lancaster Rd, Leicester LE1 9HN, Leics, England
[2] Univ Leicester, Prot & Nucle Acid Chem Lab, Hodgkin Bldg,Lancaster Rd, Leicester LE1 9HN, Leics, England
[3] Eli Lilly & Co, Neurosci, Windlesham GU20 6PH, Surrey, England
[4] Eli Lilly & Co, Lilly Corp Ctr, Neurosci, Indianapolis, IN 46285 USA
[5] Univ Leicester, Dept Mol & Cell Biol, Henry Wellcome Bldg,Lancaster Rd, Leicester LE1 9HN, Leics, England
[6] Univ Glasgow, Inst Mol Cell & Syst Biol, Glasgow G12 8QQ, Lanark, Scotland