1 Department of Molecular Medicine, Section of Cardiology, University of Pavia, Pavia, Italy; Cardiac Intensive Care Unit, Arrhythmia and Electrophysiology and Experimental Cardiology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy; Pavia nel Cuore, Pavia, Italy; Robbio nel Cuore, Robbio, Italy. Electronic address: enrico.baldi@unipv.it.
2 Pavia nel Cuore, Pavia, Italy; Robbio nel Cuore, Robbio, Italy; AREU Azienda Regionale Emergenza Urgenza - AAT Pavia c/o Fondazione IRCCS Policlinico San Matteo Hospital, Pavia, Italy.
3 Department of Anaesthesiology and Intensive Care Medicine, University Hospital of Cologne, Köln, Germany; European Resuscitation Council (ERC), Niel, Belgium.