1. Department of Drug Discovery and Development, Istituto Italiano di Tecnologia, via Morego, 30, 16163 Genova, Italy
2. Department of Pharmaceutical Sciences, University of Bologna, Via Belmeloro 6, I-40126 Bologna, Italy
3. Computational Biophysics Group, Structural Biology and Biocomputing Programme, Spanish National Cancer Research Centre, c/Melchor Fernandez, Almagro 3, 28029 Madrid, Spain.