Tania Caballero, Johns Hopkins Medicine (IMAGE) Johns Hopkins Medicine Caption Tania Caballero speaking to a patient at the Children's Medical Practice at Johns Hopkins Bayview Medical Center. Credit Edith Martinez 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.