Ryan Van Lieshout (IMAGE) McMaster University Caption Ryan Van Lieshout, first author of the study, physician and associate professor of psychiatry and behavioural neurosciences at McMaster's Michael G. DeGroote School of Medicine Credit McMaster University 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.