Nils-Göran Larsson, Karolinska Institutet (IMAGE) Karolinska Institutet Caption Nils-Göran Larsson, professor at the Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Sweden. Credit Gustav Mårtensson 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.