1. Department of Translational Medical Sciences, University of Naples Federico II, Italy
2. Cardiology Department Hospital Santa Marta, Centro Hospitalar Lisboa Central, Portugal
3. Cardiovascular Rehabilitation Unit, Le Terrazze Clinic, Cunardo, Italy
4. Cardiologia Riabilitativa Lancisi, AOR Ancona, Italy
5. Department of Cardiac Rehabilitation, Salvatore Maugeri Foundation, Veruno, Italy
6. Department of General Practice, UKCRC Centre of Excellence for Public Health Research (NI), Northern Ireland, Queens University, Belfast
7. Cardiovascular Research Laboratory, Biomedical Research Foundation Academy of Athens, Greece
8. Medical University Innsbruck, Austria
9. Cardiac Rehabilitation Department, Hopital Corentin Celton-Assistance Publique Hôpitaux de Paris, France
10. Cardiology Clinic, Tiefenau Hospital and University of Bern, Switzerland
11. Center of Rehabilitation Research, University of Potsdam, Germany; Department of Cardiology, Klinic am See, Rudersdorf
12. Department of Health Sciences, University of York, UK