1. Anesthesiology and Intensive Care Department, Hospital Clínic, 08036 Barcelona, Spain
2. Prehabilitation Group (Surgifit), Hospital Clínic, 08036 Barcelona, Spain
3. Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona (UB), 08193 Barcelona, Spain
4. Barcelona Institute for Global Health (ISGlobal), 08036 Barcelona, Spain
5. Endocrinology and Nutrition Department, Hospital Clínic, 08036 Barcelona, Spain
6. Institut Clínic de Malalties Digestives i Metabòliques, Hospital Clínic de Barcelona, 08036 Barcelona, Spain
7. Econometrics Department, Universitat Pompeu Fabra, 08002 Barcelona, Spain
8. Heart Failure and Heart Transplantation Unit, Cardiology Department, Hospital Clínic Barcelona, 08036 Barcelona, Spain
9. Cardiology Department, Cardiovascular Institute, Hospital Clínic de Barcelona—IDIBAPS, 08036 Barcelona, Spain
10. Physical Medicine and Rehabilitation Department, Hospital Clínic de Barcelona, 08036 Barcelona, Spain
11. Cardiovascular Surgery Department, Hospital Clínic de Barcelona, 08036 Barcelona, Spain
12. Navarra Institute for Health Research (IdiSNA), 31008 Pamplona, Spain
13. Navarrabiomed, Hospital Universitario de Navarra (HUN), Universidad Pública de Navarra (UPNA), 31008 Pamplona, Spain
14. Red de Investigación en Servicios Sanitarios y Enfermedades Crónicas (REDISSEC), 28029 Madrid, Spain
15. CIBER-CV, Centro de Investigación Biomédica en Red Enfermedades Cardiovasculares, Instituto de Salud Carlos III, 28029 Madrid, Spain
16. Biomedical Research Networking Center on Respiratory Diseases (CIBERES), 28029 Madrid, Spain