Stefan Metz, University of North Carolina Health Care (image) University of North Carolina Health Care Share Print E-Mail Caption This is Stefan Metz, PhD. Credit Caroline Curran, UNC School of Medicine / UNC Health Care. Usage Restrictions None Share Print E-Mail 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.