Jennifer Marin, M.D., M.Sc. (IMAGE) University of Pittsburgh Caption Associate professor of pediatrics, emergency medicine and radiology, University of Pittsburgh, and medical director of point-of-care ultrasound at UPMC Children's Hospital of Pittsburgh. Credit David Wallace Usage Restrictions Release is embargoed until 11 a.m., Friday, Jan. 29, 2021. Cannot be posted before 1 p.m., Wed., Jan. 27. 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.