1. From the Biosciences Department, Brookhaven National Laboratory, Upton, NY; National Institute on Alcoholism and Alcohol Abuse, Bethesda, MD; Magnetic Resonance Unit Hospital Vall Hebron, Psg Vall Hebron 119–129, Barcelona, Spain; CIBER BBN, Zaragoza, Spain; Department of Psychiatry, Mount Sinai School of Medicine, New York, NY; Department of Chemistry, State University of New York at Stony Brook, Stony Brook, NY; and Department of Neurology, Stony Brook University School of Medicine, Stony Brook, NY