1. Department of Psychiatry Griffin Memorial Hospital Norman Oklahoma USA
2. Department of Psychiatry and Behavioral Sciences Oklahoma State University Tulsa Oklahoma USA
3. Department of Electrophysiology, Penn State Milton S. Hershey Medical Center Penn State Heart & Vascular Institute Hershey Pennsylvania USA
4. Department of Medicine Brookdale University Hospital Medical Center Brooklyn New York USA
5. Department of Psychiatry and Behavioral Health Penn State Milton S. Hershey Medical Center Hershey Pennsylvania USA