Peter Nordström (IMAGE) Umea University Caption Professor and senior consultant (attending) physician Department of Community Medicine and Rehabilitation, Unit of Geriatric Medicine Umeå University Credit Mattias Pettersson Usage Restrictions No restrictions. License Public Domain 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.