Dr. PJ Devereaux, McMaster University (IMAGE) McMaster University Caption Dr. PJ Devereaux is a senior scientist at the Population Health Research Institute of McMaster University and Hamilton Health Sciences. Credit Photo courtesy McMaster University/Hamilton Health Sciences. 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.