1. Department
of Drug Discovery and Development, Istituto Italiano di Tecnologia, via Morego, 30, 16163 Genova, Italy
2. Pattern
Analysis and Computer Vision, Istituto Italiano di Tecnologia, via Morego,
30, 16163 Genova, Italy
3. Dept.
of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro
6, 40126 Bologna, Italy