Samar El Khoudary, Ph.D., MPH (IMAGE) University of Pittsburgh Caption author Samar R. El Khoudary, Ph.D., MPH, associate professor of epidemiology at the University of Pittsburgh Graduate School of Public Health Credit University of Pittsburgh 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.