Samar El Khoudary, Ph.D., M.P.H. (image) University of Pittsburgh Share Print E-Mail Caption Associate professor of epidemiology, University of Pittsburgh Graduate School of Public Health. Credit University of Pittsburgh 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.