Ralph Vatner, MD, PhD (IMAGE) University of Cincinnati Caption Ralph Vatner, MD, PhD, in a proton radiotherapy gantry at the Cincinnati Children's Hospital Medical Center/UC Health Proton Therapy Center. Credit Joe Fuqua, University of Cincinnati 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.