1. Departments of Pediatrics, and Psychiatry and Human Behavior, Jefferson Medical College; Thomas Jefferson University; Philadelphia; PA; USA
2. Departments of Psychiatry and Psychology; University of Vermont; Burlington; VT; USA
3. Department of Psychiatry and Behavioral Neurosciences; Wayne State University; Detroit; MI; USA
4. Department of Pediatrics; The Warren Alpert Medical School of Brown University; Providence; RI; USA
5. Center for Young Adult Health and Development; University of Maryland; College Park; MD; USA
6. Department of Psychology; University of Maryland; College Park; MD; USA
7. Department of Psychiatry and Psychotherapy; Addiction Clinic, and Center of Public Health; Medical University of Vienna; Vienna; Austria