[1] Univ Cambridge, Dept Physiol Dev & Neurosci, Cambridge CB2 2PY, England
[2] Univ Cambridge, Cambridge Ctr Brain Repair, Cambridge CB2 2PY, England
[3] Univ Cambridge, Dept Psychiat, Cambridge CB2 2PY, England
[4] St Bartholomews Hosp, Dept Endocrinol, London, England
[5] MRC, Mol Biol Lab, Cambridge CB2 2QH, England
[6] Leiden Univ, Med Ctr, Leiden Amsterdam Ctr Drug Res, Dept Med Pharmacol, Leiden, Netherlands
[7] Univ Bristol, Henry Wellcome Labs Integrat Neurosci & Endocrino, Bristol, Avon, England
[8] McGill Univ, Douglas Hosp, Dept Psychiat, Ctr Human Studies Stress, Verdun, PQ H4H 1R3, Canada
[9] Univ Calif Irvine, Ctr Neurobiol & Learning & Memory, Irvine, CA 92717 USA
[10] Univ Calif Irvine, Dept Neurobiol & Behav, Irvine, CA 92717 USA
[11] Univ Edinburgh, Endocrinol Unit, Queens Med Res Inst, Edinburgh, Midlothian, Scotland