1. Anxiety Disorders Research Program, Department of Psychiatry and Behavioral Neuroscience (Strawn), and Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati (Strawn, Vaughn); Division of Clinical Pharmacology (Strawn, Ramsey), Division of Child and Adolescent Psychiatry (Strawn, Vaughn), and Division of Research in Patient Services (Ramsey), Cincinnati Children’s Hospital Medical Center, Cincinnati.