1. Department of Pharmaceutical ChemistryPhilipps-University Marburg Marbacher Weg 6 35037 Marburg Germany
2. InterAx BiotechPARK innovAARE 5234 Villigen Switzerland
3. Department of Biosystems Science and Engineering ETHETH Zürich Mattenstrasse 26 4058 Basel Switzerland
4. Department of Drug Design and PharmacologyUniversity of Copenhagen Universitetsparken 2 2100 Copenhagen Denmark