1. Experimental, Diagnostic and Specialty Medicine Department, University of Bologna, Via Massarenti, 9, 40138 Bologna, Italy
2. Department of Physics and Astronomy, University of Bologna, Viale Berti Pichat 6/2, 40127 Bologna, Italy
3. INFN Bologna, Viale Berti Pichat 6/2, 40127 Bologna, Italy
4. Department of Interventional Cardiology, Monza Hospital, Via Amati 11, 20900 Monza, Italy
5. Health Sciences Center, Tulane University, 1430 Tulane Avenue, New Orleans, LA 70112-2699, USA