1. Fondazione Policlinico Universitario A. Gemelli, IRCSS Rome Italy
2. Università Cattolica del Sacro Cuore Rome Italy
3. HerzZentrum Hirslanden Zurich Switzerland
4. IRCCS Centro Cardiologico Monzino Milan Italy
5. IRCCS, Instituto Auxologico Italiano, S. Luca Hospital University of Milano‐Bicocca Milan Italy
6. Heart Surgery Unit, Cardiocentro Ticino Lugano Switzerland
7. Institute of Cardiology, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health University of Brescia Brescia Italy
8. University Hospital San Raffaele Milan Italy