1. School of Pharmaceutical Sciences, University of Geneva, Rue Michel-Servet 1, CH-1206 Geneva, Switzerland
2. Chemistry Department, University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy
3. Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CH-1206 Geneva, Switzerland
4. Chemistry Department, University College London (UCL), WC1E 6BT London, U.K.
5. Swiss Bioinformatics Institute, University of Geneva, CH-1206 Geneva, Switzerland