1. Division of Medicine; Akershus University Hospital; Lørenskog Norway
2. Center for Heart Failure Research; University of Oslo; Oslo Norway
3. Department of Cardiovascular Research; Istituto di Ricerche Farmacologiche Mario Negri; Milan Italy
4. Department of Endocrinology and Internal Medicine & the Medical Research Laboratories, Clinical Institute; Aarhus University Hospital; Aarhus Denmark
5. Department of Cardiology; IRCCS Fondazione Salvatore Maugeri; Montescano Italy
6. Division of Cardiology; IRCCS Ospedale Policlinico San Matteo; Pavia Italy
7. Division of Rehabilitative Cardiology; Fondazione Salvatore Maugeri; Veruno Italy
8. Consorzio Mario Negri Sud; Santa Maria Imbaro Italy
9. GVM Hospitals of Care and Research; Cotignola Italy
10. Institute of Clinical Medicine; University of Oslo; Oslo Norway