Lena Havstam Johansson (IMAGE) University of Gothenburg Caption Lena Havstam Johansson, Sahlgrenska Academy at the University of Gothenburg. Credit Photo by Malin Arnesson 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.