Dr. Shamir Mehta (IMAGE) McMaster University Caption COMPLETE study leader Dr. Shamir R. Mehta of the Population Health Research Institute (PHRI) of McMaster University and Hamilton Health Sciences. Credit Population Health Research Institute (PHRI) of McMaster University and Hamilton Health Sciences. Usage Restrictions To accompany articles on this study 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.