Salim Yusuf, McMaster University (IMAGE) McMaster University Caption Dr. Salim Yusuf is the director of the Population Health Research Institute of McMaster University in Hamilton, Canada and a professor of medicine of the Michael G. DeGroote School of Medicine at McMaster University. He co-led a study, published in the Lancet, identifying the 10 risk factors for stroke that are the same around the world but have regional variation. 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.