1. University of Basel, Institute of Molecular Pharmacy, Pharmacenter of the University of Basel, Klingelbergstrasse 50, 4056 Basel, Switzerland
2. Institute for Pharmaceutical and Medicinal Chemistry, Heinrich-Heine-University of Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
3. Department Biozentrum, Focal Area Structural Biology, University of Basel, Klingelbergstrasse 70, 4056 Basel, Switzerland
4. Institute of Virology and Immunology, Sensemattstrasse 293, 3147 Mittelhäusern, Switzerland
5. Department Biomedicine, University of Basel, Petersplatz 8, 4051 Basel, Switzerland