1. Cardiac Intensive Care Unit, Arrhythmia and Electrophysiology and Laboratory of Clinical and Experimental Cardiology (A.V., L.M., S.D., E.B., A.S., B.P., L.F., R.R.), Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
2. Department of Molecular Medicine, Cardiology Unit (L.M., S.D., E.B.), University of Pavia, Italy.
3. Division of Cardiology (S.G., S.S., L.O.V.), Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
4. Emergency Department (A.S.), Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
5. Department of Internal Medicine (A.S.), University of Pavia, Italy.
6. Division of Infectious Disease (A.D.M., E.M.S.), Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
7. Department of Internal Medicine (M.V.L.), Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
8. Division of Respiratory Diseases (M.B.), Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
9. Anaesthesia and Intensive Care (G.T.), Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
10. Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, Unit of Anesthesia and Intensive Care (G.T.), University of Pavia, Italy.