1. Institute for Pharmaceutical and Medicinal Chemistry, Heinrich-Heine-University Düsseldorf, Universitätsstraße 1, Düsseldorf 40225, Germany
2. Department of Pharmaceutical Sciences, Group Molecular Pharmacy, Pharmazentrum, University of Basel, Klingelbergstrasse 50, Basel CH-4056, Switzerland
3. Department Biozentrum, Structural Area Focal Biology, University of Basel, Spitalstrasse 41, Basel 4056, Switzerland