1. Department of Psychiatry and Behavioral Sciences Duke University School of Medicine Durham North Carolina USA
2. College of Pharmacy & Health Sciences Campbell University Buies Creek North Carolina USA
3. Department of Medicine, Division of Gastroenterology and Hepatology University of North Carolina Chapel Hill North Carolina USA
4. School of Social Work University of Washington Seattle Washington USA
5. Department of Psychology and Neuroscience Duke University Durham North Carolina USA
6. Department of Psychiatry University of Pittsburgh School of Medicine Pittsburgh Pennsylvania USA