1. Lippe-Detmold Clinic, 1st Department of Medicine, Röntgenstr. 18, Detmold, D-32756, Germany ; ;
2. Lippe-Detmold Clinic, Department of Dermatology, Röntgenstr. 18, Detmold, D-32756, Germany
3. University of Leipzig, Interdisciplinary Centre for Clinical Research, Inselstraße 22, Leipzig, 04103, Germany