1. University of Pittsburgh School of Medicine Pittsburgh Pennsylvania USA
2. Department of Anesthesia and Intensive Care IRCCS‐ISMETT (Istituto Mediterraneo per I Trapianti e Terapia ad alta specializzazione) Palermo Italy
3. Department of Cardio‐Thoracic Surgery, Heart & Vascular Centre Maastricht University Medical Centre Maastricht The Netherlands
4. Cardiovascular Research Institute Maastricht (CARIM) Maastricht University Maastricht The Netherlands
5. Division of Endocrinology and Diabetology, Department of Internal Medicine Medical University of Graz Graz Austria