Alfonso Iorio, McMaster University (image) McMaster University Share Print E-Mail Caption Dr. Alfonso Iorio is the inaugural holder of the Bayer Chair for Clinical Epidemiology Research and Bleeding Disorders at McMaster University. Credit McMaster University Usage Restrictions For use with stories involving Dr. Alfonso Iorio only. 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.