Susanne Nielsen, University of Gothenburg (IMAGE) University of Gothenburg Caption Researcher at Sahlgrenska Academy, University of Gothenburg, and surgical nurse. Credit Photo by Laila Ostlund 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.