1. Psychiatry, Thomas Jefferson University Sidney Kimmel Medical College, Philadelphia, PA, USA
2. The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
3. Psychology, Private Practice, Athens, Greece
4. Psychiatry, Aristotle University of Thessaloniki, Thessalonike, Kentrikḗ Makedonía, Greece
5. Psychiatry, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
6. School of Medicine, National and Kapodistrian University of Athens, Athens, Attica, Greece
7. Sociology, Panteion University of Social and Political Sciences, Athens, Attica, Greece
8. Epidemiology, The George Washington University Milken Institute of Public Health, Washington, DC, USA
9. Medical Affairs, Saint Elizabeths Hospital, Washington, DC, USA