Meiyuzhen "Chimey" Qi (IMAGE) University of Pittsburgh Caption Meiyuzhen "Chimey" Qi, Ph.D. candidate in epidemiology at the University of Pittsburgh School of Public Health Credit Samar El Khoudary Usage Restrictions Only for use in reporting on this specific study 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.