1. Neuroradiology Department, Fondazione Istituto “C. Besta”, Via Celoria 11, 20133 Milan, Italy
2. Paediatric Department, Fondazione Istituto “C. Besta”, Via Celoria 11, 20133 Milan, Italy
3. Neuroradiology Department, Ospedale Niguarda, Piazza Ospedale Maggiore 3, 20162 Milan, Italy