Ryan Bariola, M.D. (IMAGE) University of Pittsburgh Caption Associate professor, University of Pittsburgh Division of Infectious Diseases, and director of the UPMC Community Hospital Antimicrobial Stewardship Efforts (CHASE) Program. Credit UPMC Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.