1. Department of Neuroradiology; Fondazione IRCCS Ca' Granda - Ospedale Maggiore Policlinico; Milan Italy
2. Department of Electronics; Information and Bioengineering, Politecnico di Milano; Milan Italy
3. Institute of Biomedical Technologies; National Research Council of Italy; Segrate Italy
4. Department of Chemistry; University of Pavia; Pavia Italy
5. Vanderbilt University Institute of Imaging Science; Vanderbilt University; Nashville Tennessee USA
6. Department of Biomedical Engineering; Vanderbilt University; Nashville Tennessee USA
7. Department of Radiology and Radiological Sciences; Vanderbilt University; Nashville Tennessee USA