1. Department of Cardiovascular Diseases (W.L., T.R., C.V.E., J.-U.V., C.V.), University Hospitals Leuven, Belgium.
2. Department of Cardiology, Hartcentrum, Jessa Hospital, Hasselt, Belgium (W.L.).
3. Department of Intensive Care Medicine (B.J., D.D.), University Hospitals Leuven, Belgium.
4. Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Italy (G.T.).
5. Adult Intensive Care, Royal Brompton and Harefield Hospitals, Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom (S.P., C.V.).