flaura winston. i serve at children's hospital philadelphia as well as professor of pediatrics at the university of pennsylvania. in addition to being a doctor, i'm a board certified practicing pediatrician and public health researcher. the children's hospital of philadelphia is the nation's largest pediatric health care network and home to one of the largest pediatric research programs in the u.s. i am humbled by the commitment and skill the hospital brings to pediatric injury, much of which is enabled by investment from the federal government. i came to care about tbi early in my training when i would hear trauma transport helicopter, i felt a sense of dread for the family whose lives would be changed by their child's tbi. every day more than 125 of our nation's children are hospitalized or die from tbi. car crashes, sports, falls and child abuse are the likely causes largely preventible events at great cost to families and society. annually estimated tbi costs are more than $29 billion for childre