Martin O'Donnell, McMaster University (image) McMaster University Share Print E-Mail Caption Dr. Martin O'Donnell is a principal investigator for the Population Health Research Institute of McMaster University in Hamilton, Canada and a professor of translational medicine at HRB-Clinical Research Facility, NUI Galway, Ireland. 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/Mike Lalich Usage Restrictions None Share Print E-Mail 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.