Dr. Stephen Freedman, MD (IMAGE) University of Calgary Caption Stephen Freedman will lead a 26-site study investigating a new treatment protocol for a type of E. coli infection that can lead to kidney failure. Credit Riley Brandt/ University of Calgary Usage Restrictions None License Original 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.