1. Institute of Pharmaceutical Sciences, University of Freiburg, Albertstraße 25, Freiburg 79104, Germany
2. Department of Medicinal Chemistry, Institute of Pharmacy, Martin Luther University of Halle-Wittenberg, Wolfgang-Langenbeck-Straße 4, Halle/Saale 06120, Germany
3. CIBSS─Centre for Integrative Biological Signalling Studies, Freiburg 79104, Germany
4. Institute of Neuropathology, University of Freiburg Medical Center, Breisacher Straße 113, Freiburg 79106, Germany
5. Department of Urology and Center for Clinical Research, University of Freiburg Medical Center, Breisacher Straße 66, Freiburg 79106, Germany
6. Institute of Biochemistry, University of Freiburg, Albertstraße 21, Freiburg 79104, Germany
7. Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), Université de Strasbourg, CNRS UMR 7104, Inserm UMR-S 1258, 1 Rue Laurent Fries, Illkirch F-67400, France