[1] Vanderbilt Univ, Vanderbilt Ctr Neurosci Drug Discovery, 221 Kirkland Hall, Nashville, TN 37235 USA
[2] Vanderbilt Univ, Dept Pharmacol, Nashville, TN 37235 USA
[3] Vanderbilt Univ, Inst Imaging Sci, 221 Kirkland Hall, Nashville, TN 37235 USA
[4] Vanderbilt Univ, Sch Med, Vanderbilt Kennedy Ctr, Nashville, TN 37212 USA
[5] NIDDK, Mol Signaling Sect, Bioorgan Chem Lab, NIH, Bethesda, MD 20892 USA