1. Stem Cell and Neurogenesis Unit, Division of Neuroscience, IRCCS San Raffaele Scientific Institute , 20132 Milan , Italy
2. Neuroscience and Experimental Neurology PhD Program, Vita-Salute San Raffaele University , 20132 Milan , Italy
3. Institute of Neuroscience, National Research Council (CNR) , 20129 Milan , Italy
4. Gene and Cell Therapy PhD Program, Vita-Salute San Raffaele University , 20132 Milan , Italy