1. Molecular Cardiology, Istituti Clinici Scientifici Maugeri, IRCCS, Via Maugeri, 10, Pavia 27100, Italy
2. Department of Molecular Medicine, University of Pavia, Pavia, Italy
3. Molecular Cardiology, Centro Nacional de Investigaciones Cardiovasculares, Madrid, Spain
4. Department of Statistics and Quantitative Methods, University of Milan-Bicocca, Milan, Italy
5. Department of Computational Biology and Biostatistics, University of Rochester, Rochester, NY, USA
6. Cardiology Unit of the Department of Medicine, University of Rochester Medical Center, Rochester, 265 Crittenden Blvd., CU 420653, NY 14642, USA