Olufemi Ayeni (IMAGE) McMaster University Caption Co-principal investigator Olufemi Ayeni, , professor of surgery at McMaster and an orthopedic surgeon at Hamilton Health Sciences Credit Hamilton Health Sciences 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.