1. Anxiety Disorders Research Program, Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.
2. Department of Economics, Carl H. Lindner College of Business at the University of Cincinnati, Cincinnati, Ohio, USA.
3. Department of Psychiatry and Behavioral Health, Robert and Anne Lurie Children's Hospital of Chicago, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA.