Dr. Jhumka Gupta (IMAGE) George Mason University Caption Dr. Jhumka Gupta, an associate professor at George Mason University's College of Health and Human Services, was the senior author on the study. Credit George Mason University 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.