[1] DISMI, University of Modena and Reggio Emilia, Via Amendola 2, Reggio Emilia
[2] CIRSFID, University of Bologna, Via Galliera, 3, Bologna
[3] University of Lodz, Faculty of Law and Administration Doktora, Stefana Kopci´ nskiego 8/12, Lodz
[4] CIRSFID, University of Bologna and Law Department, European University Institute, Villa Salviati 156, Florence
[5] Robert Schuman Centre for Advanced Studies, European University Institute, Villa Schifanoia, Florence
[6] Yale Law School Center for Private Law, Information Society Project, 127 Wall Street, New Haven, 06511, CT
[7] DISI, University of Bologna, Viale del Risorgimento 2, Bologna