Carl-Fredrik Flach (IMAGE) University of Gothenburg Caption Carl-Fredrik Flach, Sahlgrenska Academy at the University of Gothenburg. Credit Photo: Elin Lindström Usage Restrictions For editorial use when publishing news and other stories linked to the University of Gothenburg. Not for 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.