Jorge Ruas, Karolinska Institutet (IMAGE) Karolinska Institutet Caption This is Jorge Ruas, Karolinska Institutet in Stockholm, Sweden. Credit Ulf Sirborn/Karolinska Institutet Usage Restrictions This image may only be published/reproduced in connection to media reports about Jorge Ruas'' work 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.