Jonas Frisén, Karolinska Institutet (IMAGE) Karolinska Institutet Caption This is Jonas Frisén, Professor at the Department of Cell and Molecular Biology at Karolinska Institutet, Swden. Credit Stefan Zimmerman Usage Restrictions The photo may only be used in connection to reports about Professor Frisén'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.