1. Department of Psychiatry Western Psychiatric Hospital University of Pittsburgh School of Medicine Pittsburgh PA USA
2. The Herman Dana Division of Pediatric Psychiatry Department of Psychiatry Hadassah Hebrew University Medical Center Jerusalem Israel
3. Faculty of Medicine University of Toronto Toronto ON Canada
4. Department of Psychiatry and Human Behavior Alpert Medical School of Brown University Providence RI USA
5. University of California Los Angeles CA USA
6. Department of Statistics University of Pittsburgh Pittsburgh PA USA
7. Department of Psychiatry Nationwide Children's Hospital and The Ohio State University Columbus OH USA