1. Laboratory of Molecular and Cellular Pharmacology of the Purinergic Transmission, Dipartimento di Scienze Farmacologiche e Biomolecolari; Università degli Studi di Milano, Via Balzaretti 9; Milan 20133 Italy
2. Centro Cardiologico Monzino, Via Parea, 4; Milano 20138 Italy
3. Molecular and Translational Neuroscience; University of Ulm, Albert-Einstein-Allee 11; Ulm D - 89081 Germany
4. Institute of Experimental Neurology, S. Raffaele Scientific Institute, Via Olgettina, 58; Milano 20132 Italy