Ryan Van Lieshout (IMAGE) McMaster University Caption Ryan Van Lieshout, associate professor of the Department of Psychiatry and Behavioural Neurosciences at McMaster University and the Canada Research Chair in Perinatal Mental Health. Credit McMaster University Usage Restrictions To be used when reporting on this research. 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.