1. Departments of Psychiatry and Neurology, Sigmund Freud University, 1030 Vienna, Austria
2. Division of Child Adolescent Psychiatry, Duke University Medical Center, Durham, NC 27710, USA
3. Center for Spirituality, Theology and Health, Duke University Medical Center, Box 3400, Durham, NC 27705, USA
4. Department of Medicine, King Abdulaziz University (KAU), Jeddah 21589, Saudi Arabia
5. Department of Psychiatry, Harvard Medical School, Boston, MA 02215, USA
6. Department of Psychiatry, Ilam University of Medical Sciences, Tehran, Iran