The authors are affiliated with the division of child and adolescent psychiatry at the University of Pittsburgh School of Medicine, 3811 O'Hara Street, Pittsburgh, Pennsylvania 15213-2592 (e-mail, bridgeja@upmc.edu). Dr. Barbe is also with the child and adolescent psychiatry service at the University Hospital of Geneva in Switzerland. Harold Alan Pincus, M.D., and Terri L. Tanielian, M.A., are editors of this column.