Pär Stattin, Umea University (IMAGE) Umea University Caption This is Pär Stattin, Department of Surgical and Perioperative Sciences, Urology and Andrology at Umeå University Credit Mattias Pettersson Usage Restrictions This photo may only be used in texts related to this press 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.