Aaron E. Carroll, MD, MS, is an associate professor of Pediatrics in the Children's Health Services Research Program at the Indiana University School of Medicine, and the Director of the Center for Health Policy and Professionalism Research. Dr. Carroll's current research interest include the use of information technology in pediatric health care, decision analysis and cost-effectiveness analysis, and health policy and professionalism. Aaron Carroll and Rachel Vreeman's research has been featured in The New York Times, USA Today, The Los Angeles Times, Scientific American, Newsweek, and many other national publications. They have appeared on Good Morning America, CBS Evening News, and ABC News NOW.