They are not purposely hiding kids and putting them back in with concussions. Sometimes it is hard to recognize when Young Athletes do not tell you how they are feeling. We brought up the importance of teammates being involved in diagnosing players. How close are we to a better design for helmets . I think we are at the beginning. We have been using a standard that has not changed for 40 years that was designed for skull fractures. Many investigators are working to improve standards to include acceleration as well as other important aspects of impact. Just as the Automotive Industry did with safety ratings, the market can be relied upon for manufacturers to improve designs to improve sales. I think standards are important part of the equation. Thank you. Dr. Gay, you discussed the fact there is a numerical Rating System for helmet impact. It is designed at virginia tech, the star system. You called it the best tool we have for analyzing the merits of helmet systems. Can you describe ho