Chiara Pisanello, a post doctoral fellow at Johns Hopkins University in Baltimore, poses in front of the sigh for the American College of Cardiology's Annual Scientific Session and Expo in Washington,... more 
Chiara Pisanello, a post doctoral fellow at Johns Hopkins University in Baltimore, poses in front of the sigh for the American College of Cardiology's Annual Scientific Session and Expo in Washington, Saturday, March 29, 2014. (AP Photo/Susan Walsh) less 
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Associated Press | Photo By Susan Walsh
Sat, Mar 29, 2014 2:57 PM EDT