Kari Johansson, Karolinska Institutet (IMAGE) Karolinska Institutet Caption Kari Johansson, Phd, is a scientist at Karolinska Institutet in Sweden. Credit Gustav Mårtensson Usage Restrictions This image may only be published/reproduced in connection to media reports about the research of Kari Johansson at Karolinska Institutet. The photographer must be credited. 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.