1. Department of Clinical, Internal, Anesthesiologist and Cardiovascular Sciences Sapienza University of Rome Viale del Policlinico 155 Rome 00161 Italy
2. Cellular and Molecular Cardiology Lab IRCCS L. Spallanzani Rome Italy
3. Texas Cardiac Arrhythmia Institute St. David's Medical Center Austin TX USA
4. Medical Emergency Unit Sapienza University of Rome, Policlinico Umberto I Rome Italy
5. Department of Nephrology and Dialysis Parodi‐Delfino Hospital Colleferro Italy