Peter Mattei, MD, FACS, FAAP

Paul C. Lee, MD, MS-HPEd, MPH, is an attending psychiatrist with the Department of Child and Adolescent Psychiatry and Behavioral Science at Children's Hospital of Philadelphia.

Garrett M. Brodeur, MD, is the Director of the Cancer Predisposition Program at CHOP and Associate Director of the Abramson Cancer Center at Penn. He has a special interest in the molecular biology, genetics and targeted therapy of neuroblastoma.

Debra Lefkowitz, PsyD, is a psychologist in the Department of Child and Adolescent Psychiatry and Behavioral Sciences at Children's Hospital of Philadelphia.