Erasmus University Medical Centre, Rotterdam (Netherlands (The))

National and Kapodistrian University, Hippokration Hospital, Athens (Greece)

Maastricht University Medical Centre (MUMC), Maastricht (Netherlands (The))

Bern University Hospital, Inselspital, Bern (Switzerland)

Aarhus University Hospital, Aarhus (Denmark)

Southmead Hospital, Bristol (United Kingdom of Great Britain & Northern Ireland)

University Medical Center Groningen, Groningen (Netherlands (The))

Helsinki University Hospital, Helsinki (Finland)

Baskent University Istanbul Hospital , Istanbul (Turkey)

Oxford University Hospitals NHS Trust, Oxford (United Kingdom of Great Britain & Northern Ireland)

University Medical Centre Ljubljana, Ljubljana (Slovenia)

Alfried-Krupp-Hospital Ruttenscheid, Essen (Germany)

Alfried-Krupp-Hospital Ruttenscheid, Essen (Germany)

University Hospital Ramon y Cajal de Madrid, Madrid (Spain)

Heart Center at the University of Cologne, Cologne (Germany)

Amsterdam UMC, Amsterdam (Netherlands (The))

University of Luebeck, Medical clinic II, Luebeck (Germany)

Haukeland University Hospital, Bergen (Norway)

Azienda Ospedaliero - Universitaria Pisana, Pisa (Italy)

Shaare Zedek Medical Center, Jerusalem (Israel)

Faculty of Health, Medicine and Life Sciences Maastricht University, Maastricht (Netherlands (The))

Hospital West Lisbon, Hospital Santa Cruz, Department of Cardiology, Lisbon (Portugal)

University Hospital of Heraklion, Heraklion (Greece)

Karlsruhe Institute of Technology (KIT), Karlsruhe (Germany)

Heart and Diabetes Center NRW, Bad Oeynhausen (Germany)

Foundation IRCCS Polyclinic San Matteo - University of Pavia, Pavia (Italy)

Amsterdam University Medical Center, Amsterdam (Netherlands (The))

Degli Infermi Hospital, Rivoli (Italy)

Alfried-Krupp-Hospital Ruttenscheid, Essen (Germany)

University Hospital Centre Zagreb, Zagreb (Croatia)

Heart and Diabetes Center NRW, Bad Oeynhausen (Germany)

University Heart & Vascular Center Hamburg, Hamburg (Germany)

University Heart Center, Luebeck (Germany)

University Heart & Vascular Center Hamburg, Hamburg (Germany)

Juan Ramon Jimenez University Hospital, Huelva (Spain)

, (United States of America)

Maastricht University Medical Centre (MUMC), Maastricht (Netherlands (The))

Azienda Ospedaliero-Universitaria Pisana, Pisa (Italy)

Chang Gung Memorial Hospital Kaohsiung, Kaohsiung (Taiwan)

Hospital dell'Angelo, Mestre-Venice (Italy)

University hospital Jena, Jena (Germany)

University Medical Centre Ljubljana, Ljubljana (Slovenia)

Maastricht University Medical Centre (MUMC), Maastricht (Netherlands (The))

Hospital Professor Doutor Fernando Fonseca, Lisbon (Portugal)

University Hospital Pasteur of Nice, Nice (France)

Degli Infermi Hospital, Rivoli (Italy)

National Research Cardiac Surgery Center, Nur-Sultan (Kazakhstan)

Virgen of the Arrixaca University Clinical Hospital, El Palmar (Spain)

Cardiocentro Ticino Institute, Lugano (Switzerland)

Santa Maria University Hospital CHLN Lisbon Academic Medical Centre, Lisbon (Portugal)

University Medical Center of Schleswig-Holstein, Kiel (Germany)

St Bartholomew's Hospital, London (United Kingdom of Great Britain & Northern Ireland)

University Hospital of Bordeaux, Bordeaux (France)

Cardinal Massaia Hospital, Asti (Italy)

IRCCS Sacro Cuore - Don Calabria, Negrar (Italy)

Clinical center of Serbia, Belgrade (Serbia)

Musgrove Park Hospital, Taunton (United Kingdom of Great Britain & Northern Ireland)

University of Eastern Piedmont, Novara (Italy)

Hospital de Santa Marta, Lisbon (Portugal)

University Hospital Pasteur of Nice, Nice (France)

Beta Clinic, Bonn (Germany)

County Emergency Hospital of Brasov, Brasov (Romania)

Hospital de Santa Marta, Lisbon (Portugal)

Azienda Ospedaliero-Universitaria Pisana, Pisa (Italy)

University Heart Center, Zurich (Switzerland)

Hannover Medical School, Hannover (Germany)

Amsterdam UMC - Location Academic Medical Center, Amsterdam (Netherlands (The))

University Hospital Southampton NHS Foundation Trust, Southampton (United Kingdom of Great Britain & Northern Ireland)

Bern University Hospital, Inselspital, Bern (Switzerland)

Shaare Zedek Medical Center, Jerusalem (Israel)

Hannover Medical School, Hannover (Germany)

Careggi University Hospital (AOUC), Florence (Italy)

Oxford University Hospitals NHS Trust, Oxford (United Kingdom of Great Britain & Northern Ireland)

Semmelweis University Heart and Vascular Center, Budapest (Hungary)

University Hospital of Burgos, Burgos (Spain)

Radboud University Nijmegen, Nijmegen (Netherlands (The))

Czech Technical University in Prague, Faculty of Biomedical Engineering, Prague (Czechia)

Juan Ramon Jimenez University Hospital, Huelva (Spain)

La Paz University Hospital - Carlos III, Madrid (Spain)

Hannover Medical School, Hannover (Germany)

Asklepios St. Georg Clinic, Hamburg (Germany)

St George's University Hospital NHS Foundation Trust, London (United Kingdom of Great Britain & Northern Ireland)

Hospital Maggiore Della Carita, Novara (Italy)

Hospital de Santa Marta, Lisbon (Portugal)

Sheba - Tel HaShomer Hospital, Ramat Gan (Israel)

Uppsala University, Uppsala (Sweden)

National Institute of Cardiology Ignacio Chavez, Mexico City (Mexico)

University of Florence, Florence (Italy)

, Leeds (United Kingdom of Great Britain & Northern Ireland)

Belfast Health and Social Care Trust, Belfast (United Kingdom of Great Britain & Northern Ireland)

Amsterdam University Medical Center, Amsterdam (Netherlands (The))

Rigshospitalet - Copenhagen University Hospital, Copenhagen (Denmark)

University of Bari, Bari (Italy)

Evangelismos Hospital, Athens (Greece)

University of Copenhagen, Copenhagen (Denmark)

Faculty of Medical Sciences, University of Kragujevac, Kragujevac (Serbia)

Strazhensku Cardiology Institute, Kiev (Ukraine)

Leiden University Medical Center, Leiden (Netherlands (The))

Erasmus Medical Center, Rotterdam (Netherlands (The))

Leiden University Medical Center, Leiden (Netherlands (The))

Queen Elizabeth Hospital Birmingham, Birmingham (United Kingdom of Great Britain & Northern Ireland)

Hospital Center of Setubal, Setubal (Portugal)

Hospital Center Tondela Viseu, Viseu (Portugal)

University Hospital La Paz, Madrid (Spain)

Uppsala University Hospital, Uppsala (Sweden)

King's College London, London (United Kingdom of Great Britain & Northern Ireland)

University of Amsterdam, Amsterdam (Netherlands (The))

Amsterdam UMC, Amsterdam (Netherlands (The))

St George's University Hospital NHS Foundation Trust, London (United Kingdom of Great Britain & Northern Ireland)

, Gentofte (Denmark)

Maria Vittoria Hospital, Turin (Italy)

Sana Kliniken, Luebeck (Germany)

University Hospital of Lausanne, Lausanne (Switzerland)

St. Bernards Medical Center, Jonesboro (United States of America)

The University Medical Center Hamburg-Eppendorf, Hamburg (Germany)

University of Luebeck, Medical clinic II, Luebeck (Germany)

University Hospital of Bologna S. Orsola-Malpighi Polyclinic, Bologna (Italy)

Republican Specialized Scientific Practical Medical Center Of Cardiology, Tashkent (Uzbekistan)

University of Texas Southwestern Medical Center, Dallas (United States of America)

Heinrich Heine University, Duesseldorf (Germany)

St George's Hospital (London), London (United Kingdom of Great Britain & Northern Ireland)

Erasmus University Medical Centre, Rotterdam (Netherlands (The))

Santa Maria Annunziata Hospital, Bagno A Ripoli (Italy)

Olv Hospital Aalst, Aalst (Belgium)

Hospital de Santa Marta, Lisbon (Portugal)

The Johns Hopkins Hospital, Baltimore (United States of America)

Coimbra Hospital and University Center, Coimbra (Portugal)

Virgen Macarena University Hospital, Seville (Spain)

Tan Tock Seng Hospital, Singapore (Singapore)