Author information:
(1)Department of Psychiatry, Yale University School of Medicine.
(2)Department of Child Study Center, Yale University School of Medicine.
(3)Department of Diagnostic Radiology, Yale University School of Medicine.
(4)Department of Laboratory Medicine, Yale University School of Medicine.
(5)Department of Genetics, Yale University School of Medicine.
(6)Department of Program on Neurogenetics, Yale University School of Medicine.
(7)Neuroscience Research Unit, Pfizer, Inc., Cambridge, MA.
(8)Dept. of Biochem., Faculty of Science, Chulalongkorn Univ., Bangkok, 
Thailand.
(9)Nathan S. Kline Institute for Psychiatric Research.
(10)New York University Dept of Child and Adolescent Psychiatry.
(11)Tohoku University, Graduate School of Engineering, Sendai, Japan.
(12)Department of Pediatrics, Yale University School of Medicine.
(13)Department of Psychology, Yale University School of Medicine.
(14)John B. Pierce Laboratory, New Haven, CT.
(15)Integrated Neuroscience Research Program; New Haven, CT 06520.
(#)Contributed equally