Marcus Schmitt-Egenolf, Umeå University (IMAGE) Umea University Caption Corresponding author is Marcus Schmitt-Egenolf, Department of Public Health & Clinical Medicine, Dermatology unit, Umeå University. Credit Mattias Pettersson Usage Restrictions Umeå University 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.