1. J. D. Jentsch, Section of Neurobiology, Yale University School of Medicine, New Haven, CT, USA.
2. D. E. Redmond Jr., Departments of Psychiatry and Neurosurgery, Yale University School of Medicine, New Haven, CT, USA.
3. J. D. Elsworth and R. H. Roth, Departments of Psychiatry and Pharmacology, Yale University School of Medicine, New Haven, CT, USA.
4. J. R. Taylor, Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA.
5. K. D. Youngren, Interdepartmental Neuroscience Program, Yale University School of Medicine, New Haven, CT, USA.