1. Department of Neurological, Neuropsychological, Morphological and Movement Sciences, Anatomy and Histology Section; University of Verona; Strada Le Grazie 8 37134 Verona Italy
2. Department of Biology; PhD School of Biology and Regenerative Medicine, University of Padova; Via U. Bassi 58/B 35121 Padova Italy
3. EPFL, Signal Processing Laboratory (LTS5); École Polytechinique Fédérale de Lausanne; Route Cantonale 1015 Lausanne CH Switzerland