Sjögren and Torstensson (IMAGE) University of Gothenburg Caption Lovisa Sjögren, Researcher, and Terese Torstensson, PhD Student, Sahlgrenska Academy at the University of Gothenburg. Credit Phot by University of Gothenburg. Usage Restrictions For editorial use, no commercial use. 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.