[1] Brown Univ, Sch Engn, Biomed Engn Undergrad Program, Providence, RI 02912 USA
[2] Brown Univ, Sch Engn, Ctr Alcohol & Addict Studies, Providence, RI 02912 USA
[3] NIAAA, Sect Clin Psychoneuroendocrinol & Neuropsychophar, Lab Clin & Translat Studies, NIH, Bethesda, MD 20892 USA
[4] NIDA, Intramural Res Program, NIH, Baltimore, MD USA
[5] Brown Univ, Dept Behav & Social Sci, Providence, RI 02912 USA