1. Department of Biomedical, Metabolic and Neural Sciences, University of Modena & Reggio Emilia, 41125 Modena, Italy
2. Bristol Heart Institute, University of Bristol, Bristol BS2 8HW, UK
3. University/BHF Centre for Cardiovascular Science, The Queen’s Medical Research Institute, 47 Little France Crescent, Edinburgh EH16-4TJ, UK
4. Istituto Nazionale di Biostrutture e Biosistemi, 00136 Roma, Italy