Brian Dixon, Ph.D., Regenstrief Institute (IMAGE) Indiana University Caption Brian Dixon, Ph.D. is a Regenstrief Institute investigator and an assistant professor in the Indiana University Fairbanks School of Public Health. Credit Regenstrief Institute Usage Restrictions Photo credit to Regenstrief Institute 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.