jeffrey kutcher. you're not in my opening script, so i had to do this. forgive me. the assistant director. dr. ann mckee, professor of neurology at boston university and director of merrill -- neuropathology core. and, mr. mike oliver, executive director of the national operating committee on standards for athletic equipment. we welcome all of you. i will close right there and ask the chairman of the subcommittee would be willing to say something, and also the ranking member. >> thank you, mr. chairman, for a scolding this hearing this afternoon. -- holding this hearing this afternoon. there are so many coaches, moms, dads, and players across the country that are very interested, then probably should be more interested than they realize. that is the great thing about having this hearing, trying to get that information out and discuss a potential, a very serious problem. not a potential serious problem, a very serious problem. sports play a vital role in the development of young women and men. it keeps them physically active, and healthy. according to the national hi