Sonia Anand, McMaster University (IMAGE) McMaster University Caption Dr. Sonia Anand, co-principal investigator of the cohort study, a senior scientist at the Population Health Research Institute, and professor of medicine at McMaster University. Credit McMaster University Usage Restrictions To be used with stories about this research 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.