Ulf Yrlid, Associate Professor (IMAGE) University of Gothenburg Caption This is Ulf Yrlid, Associate Professor, Sahlgrenska Academy. Credit Photo by Margareta G. Kubista 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.