1. Pharmaceuticals, Research and Development, Bayer AG, Aprather Weg 18a, 42113 Wuppertal, Germany
2. University of Witten/Herdecke, 58455 Witten, Germany
3. Lead Discovery, Nuvisan ICB GmbH, Muellerstrasse 178, 13353 Berlin, Germany
4. Department of Pharmacology, Hannover Medical School, 30625 Hannover, Germany
5. Institute of Pharmacy, Martin Luther University, 06120 Halle, Germany