Mats Eliasson, Umeå University (IMAGE) Umea University Caption This is Mats Eliasson, professor at the Department of Public Health and Clinical Medicine as well as doctor at Sunderby Hospital in Luleå in northern Sweden. Credit Norbotten county council, Sweden Usage Restrictions This photo may only be used in contexts related to this news release. 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.