Jonathan Kurtis, M.D., Ph.D., Lifespan (IMAGE) Lifespan Caption Jonathan Kurtis, M.D., Ph.D., is director of the Center for International Health Research at Rhode Island Hospital, and the study's principal investigator. Credit LIFESPAN Usage Restrictions Must include photo credit 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.