Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia (J.E.S., B.I.-J., D.R., R.A.A., Q.T., L.B., D.E.S., A.H.L.); Department of Psychology, West Virginia University, Morgantown, West Virginia (S.G.K.); and The Skaggs Institute for Chemical Biology and Department of Chemical Physiology (J.Z.L., B.F.C.), and Committee on the Neurobiology of Addictive Disorders (J.E.S.), The Scripps Research Institute, La Jolla, California

Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia (J.E.S., B.I.-J., D.R., R.A.A., Q.T., L.B., D.E.S., A.H.L.); Department of Psychology, West Virginia University, Morgantown, West Virginia (S.G.K.); and The Skaggs Institute for Chemical Biology and Department of Chemical Physiology (J.Z.L., B.F.C.), and Committee on the Neurobiology of Addictive Disorders (J.E.S.), The Scripps Research Institute, La Jolla, California

Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia (J.E.S., B.I.-J., D.R., R.A.A., Q.T., L.B., D.E.S., A.H.L.); Department of Psychology, West Virginia University, Morgantown, West Virginia (S.G.K.); and The Skaggs Institute for Chemical Biology and Department of Chemical Physiology (J.Z.L., B.F.C.), and Committee on the Neurobiology of Addictive Disorders (J.E.S.), The Scripps Research Institute, La Jolla, California

Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia (J.E.S., B.I.-J., D.R., R.A.A., Q.T., L.B., D.E.S., A.H.L.); Department of Psychology, West Virginia University, Morgantown, West Virginia (S.G.K.); and The Skaggs Institute for Chemical Biology and Department of Chemical Physiology (J.Z.L., B.F.C.), and Committee on the Neurobiology of Addictive Disorders (J.E.S.), The Scripps Research Institute, La Jolla, California

Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia (J.E.S., B.I.-J., D.R., R.A.A., Q.T., L.B., D.E.S., A.H.L.); Department of Psychology, West Virginia University, Morgantown, West Virginia (S.G.K.); and The Skaggs Institute for Chemical Biology and Department of Chemical Physiology (J.Z.L., B.F.C.), and Committee on the Neurobiology of Addictive Disorders (J.E.S.), The Scripps Research Institute, La Jolla, California

Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia (J.E.S., B.I.-J., D.R., R.A.A., Q.T., L.B., D.E.S., A.H.L.); Department of Psychology, West Virginia University, Morgantown, West Virginia (S.G.K.); and The Skaggs Institute for Chemical Biology and Department of Chemical Physiology (J.Z.L., B.F.C.), and Committee on the Neurobiology of Addictive Disorders (J.E.S.), The Scripps Research Institute, La Jolla, California

Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia (J.E.S., B.I.-J., D.R., R.A.A., Q.T., L.B., D.E.S., A.H.L.); Department of Psychology, West Virginia University, Morgantown, West Virginia (S.G.K.); and The Skaggs Institute for Chemical Biology and Department of Chemical Physiology (J.Z.L., B.F.C.), and Committee on the Neurobiology of Addictive Disorders (J.E.S.), The Scripps Research Institute, La Jolla, California

Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia (J.E.S., B.I.-J., D.R., R.A.A., Q.T., L.B., D.E.S., A.H.L.); Department of Psychology, West Virginia University, Morgantown, West Virginia (S.G.K.); and The Skaggs Institute for Chemical Biology and Department of Chemical Physiology (J.Z.L., B.F.C.), and Committee on the Neurobiology of Addictive Disorders (J.E.S.), The Scripps Research Institute, La Jolla, California

Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia (J.E.S., B.I.-J., D.R., R.A.A., Q.T., L.B., D.E.S., A.H.L.); Department of Psychology, West Virginia University, Morgantown, West Virginia (S.G.K.); and The Skaggs Institute for Chemical Biology and Department of Chemical Physiology (J.Z.L., B.F.C.), and Committee on the Neurobiology of Addictive Disorders (J.E.S.), The Scripps Research Institute, La Jolla, California

Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia (J.E.S., B.I.-J., D.R., R.A.A., Q.T., L.B., D.E.S., A.H.L.); Department of Psychology, West Virginia University, Morgantown, West Virginia (S.G.K.); and The Skaggs Institute for Chemical Biology and Department of Chemical Physiology (J.Z.L., B.F.C.), and Committee on the Neurobiology of Addictive Disorders (J.E.S.), The Scripps Research Institute, La Jolla, California

Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia (J.E.S., B.I.-J., D.R., R.A.A., Q.T., L.B., D.E.S., A.H.L.); Department of Psychology, West Virginia University, Morgantown, West Virginia (S.G.K.); and The Skaggs Institute for Chemical Biology and Department of Chemical Physiology (J.Z.L., B.F.C.), and Committee on the Neurobiology of Addictive Disorders (J.E.S.), The Scripps Research Institute, La Jolla, California