Penn Nursing's Jiyoun Song, PhD, AGACNP-BC, APRN (IMAGE) University of Pennsylvania School of Nursing Caption Jiyoun Song, PhD, AGACNP-BC, APRN, a lecturer in the Department of Biobehavioral Health Sciences Credit Jiyoun Song Usage Restrictions None License Original 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.