1. Department of Cardiac Anesthesia and Intensive Care Fondazione Cardiocentro Ticino Lugano Switzerland
2. Anesthesia, Intensive Care and Pain Therapy, Department of Clinical, Surgical, Diagnostic and Pediatric Sciences University of Pavia Pavia Italy
3. Anesthesia and Intensive Care, Emergency Department Fondazione IRCCS Policlinico S. Matteo Pavia Italy
4. Department of Cardiology Fondazione Cardiocentro Ticino Lugano Switzerland
5. Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties University of Palermo Italy
6. Department of Cardiac Surgery Fondazione Cardiocentro Ticino Lugano Switzerland