Dr. Catharine Clase, McMaster University (IMAGE) McMaster University Caption Dr. Catherine Clase, associate professor of medicine at McMaster University and nephrologist of St. Joseph's Healthcare Hamilton. Photo credit: McMaster University. Credit McMaster University Usage Restrictions To be used when reporting on 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.