1. Departments of Psychiatry and Psychology; University of Vermont; Burlington; VT; USA
2. Department of Psychiatry and Psychotherapy; Medical University Vienna; Vienna; Austria
3. Center on Young Adult Health and Development; School of Public Health; University of Maryland; College Park; MD; USA
4. Departments of Pediatrics, and Psychiatry and Human Behavior; Jefferson Medical College; Thomas Jefferson University; Philadelphia; PA; USA
5. Department of Psychiatry; Vanderbilt University; Nashville; TN; USA
6. Department of Pediatrics; The Warren Alpert Medical School of Brown University; Providence; RI; USA
7. Department of Family and Community Medicine; Department of Psychiatry; Dalla Lana School of Public Health, Sciences; University of Toronto; Toronto; Ontario; Canada
8. Department of Psychiatry and Behavioral Neurosciences; Wayne State University; Detroit; MI; USA
9. Center of Public Health; Medical University Vienna; Vienna; Austria