Constantine Samaan, McMaster University (IMAGE) McMaster University Caption This is Constantine Samaan, centre, with second-year medical students Yung Lee and Sama Anvari. Credit McMaster University Usage Restrictions To be used to accompany 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.