[1] Univ Calif Irvine, Dept Psychiat & Human Behav, Irvine, CA 92717 USA
[2] Stanford Univ, Stanford Human Genome Ctr, Palo Alto, CA 94304 USA
[3] Univ Michigan, Mental Hlth Res Inst, Ann Arbor, MI 48109 USA
[4] Univ Calif Davis, Ctr Neurosci, Davis, CA 95616 USA