Håkan Westerblad (IMAGE) Karolinska Institutet Caption Håkan Westerblad, professor of cellular muscle physiology at the Department of Physiology and Pharmacology, Karolinska Institutet, Sweden. Photo: Mats Rundgren Credit Mats Rundgren Usage Restrictions The photo may only be used in connection to reports about Håkan Westerblad'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.