Hofstedt-SöderpalmGordh (IMAGE) University of Gothenburg Caption Annika Hofstedt and Anna Söderpalm Gordh, Sahlgrenska Academy at the University of Gothenburg. Credit Photo: Paul Björkman, Olof Holdar Usage Restrictions For editorial use, no commercial use 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.