1. Adolescent Behavioral Health Research Program, Department of Pediatrics (Dir, Pederson, Schwartz, Aalsma), Department of Psychiatry (Dir), Department of Pediatrics, Section of Adolescent Medicine (Pederson, Schwartz, Aalsma), Department of Biostatistics (Ouyang, Monahan), and Department of Pediatrics (Wiehe), Indiana University School of Medicine, Indianapolis.