1. Department of Chemistry, University of Turin, Via Giuria 7, Turin 10124, Italy
2. Department of Pharmacy, University of Naples, Via Montesano 49, Naples 80131, Italy
3. Centre for Misfolding Diseases, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K.
4. Department of Life Sciences, Imperial College London, London SW7 2AZ, U.K.