Jonas Frisén, Karolinska Institutet (image) Karolinska Institutet Share Print E-Mail Caption Jonas Frisén, Ph.D., is a Professor at Karolinska Institutet in Sweden. Credit Gustav Mårtensson Usage Restrictions This image may only be published/reproduced in connection to media reports about Jonas Frisén's research at Karolinska Institutet. The photographer must be credited. Share Print E-Mail 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.