Nils-Göran Larsson (IMAGE) Karolinska Institutet Caption Nils-Göran Larsson, professor at the Department of Medical Biochemistry and Biophysics at Karolinska Institutet in Sweden. Photo: Gustav Mårtensson Credit Gustav Mårtensson Usage Restrictions The photo may only be used in connection to reports about Nils-Göran Larsson's research. 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.