Yu-Ping Chang, University at Buffalo (IMAGE) University at Buffalo Caption Yu-Ping Chang, Ph.D., RN, is an associate professor in the UB School of Nursing. Credit Douglas Levere 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.