Hospital Universitari Vall d’Hebron - Department of Intensive Care, São João Universitary Hospital Center - Department of Intensive Care, University Hospital Rio Hortega - Department of Intensive Care, Hospital Universitario Puerta de Hierro - Department of Intensive Care, Hospital Universitari Bellvitge - Department of Intensive Care, Centro Hospitalar Universitário de Lisboa Central - Medical Emergency Unit, Hospital Universitario Virgen de la Arrixaca - Department of Intensive Care, Hospital Universitario La Paz - Department of Intensive Care, Hospital Universitari Germans-Trias i Pujol - Department of Intensive Care, Hospital Universitario Ramón y Cajal - Department of Intensive Care, Hospital Universitario Cruces - Department of Intensive Care, Hospital Universitario Miguel Servet - Department of Intensive Care, Hospital Universitario Gregorio Marañón - Department of Intensive Care, Hospital Universitario 12 de Octubre - Department of Intensive Care, University of Barcelona, Hospital Universitario Virgen de la Macarena - Department of Intensive Care, Hospital Universitario Central de Asturias - Department of Intensive Care, Hospital Clínico San Carlos - Department of Intensive Care, Hospital Universitari i Politècnic La Fe - Department of Intensive Care, Hospital Universitari Son Espases - Department of Intensive Care, Hospital Álvaro Cunqueiro - Department of Intensive Care, Hospital Clínico Universitario - Department of Intensive Care, Hospital Universitario Reína Sofía - Department of Intensive Care, Hospital Universitario del Vinalopó - Department of Intensive Care, Hospital Clínico Universitario de Santiago de Compostela - Department of Intensive Care, Hospital Universitari Vall d’Hebron - Department of Intensive Care, Hospital Universitario Rio Hortega - Department of Intensive Care, Hospital Universitario Puerta de Hierro - Department of Intensive Care, Hospital Universitari Bellvitge - Department of Intensive Care, Central Lisbon Hospital Center, Hospital Universitario Virgen de la Arrixaca - Department of Intensive Care, Hospital Universitario La Paz - Department of Anesthesiology, Hospital Universitario Cruces - Department of Cardiac Surgery, Hospital Universitari Germans-Trias i Pujol - Department of Intensive Care, São João Universitary Hospital Center - Department of Intensive Care and Independent

Maastricht University Medical Center - ECLS Centrum, Maastricht University - Centre for Heart Failure Research, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University - Centre for Heart Failure Research, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University - Centre for Heart Failure Research, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University - Centre for Heart Failure Research, Cardiovascular Research Institute Maastricht (CARIM), Hôpitaux de Paris (AP-HP) - Hôpital Henri Mondor, Université Libre de Bruxelles (ULB) - Department of Intensive Care, Guy's and St Thomas' NHS Foundation Trust, Maastricht University - Centre for Heart Failure Research, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University - Care and Public Health Research Institute (CAPHRI), Maastricht University - Medical Center, Maastricht University - Medical Center, Paracelsus Medical University Nuremberg - Department of Respiratory Medicine, Allergology and Sleep Medicine, Medical University of Vienna, Fondazione IRCCS Policlinico San Matteo - S.C.AR2-Cardiothoracic Anesthesia and Intensive Care, IRCCS, Karolinska Institutet - ECMO Centre Karolinska, NHS Foundation Trust - Royal Papworth Hospital, Rambam Medical Center, Chaim Sheba Medical Center, Università Vita-Salute San Raffaele - IRCCS Ospedale San Raffaele, University of Turin - Department of Surgical Sciences, Arnaud de Villeneuve Hospital - Department of Anaesthesiology and Critical Care Medicine, Ospedali Riuniti di Bergamo, Royal Brompton Hospital - Department of Anaesthesia and Critical Care, The University of Manchester - Manchester University NHS Foundation Trust, University Hospital Zurich, Heinrich Heine University Dusseldorf, University of Freiburg - University Heart Center Freiburg-Bad Krozingen (UHZ), University of Freiburg - University Hospital of Freiburg, University of Münster - University Hospital Muenster, KU Leuven, Hospices Civils de Lyon - Hôpital Cardiologique Louis Pradel, Ministry of Interior in Warsaw - Central Clinical Hospital, University of Copenhagen - Copenhagen University Hospital, Medical University of Vienna, Centro Hospitalar S. Joao, Central Lisbon Hospital Center, Novosibirsk State University, Istanbul University - Istanbul University-Cerrahpasa, Hospital Universitario Ramón y Cajal - Department of Intensive Care, affiliation not provided to SSRN, Government of the United Kingdom - Barts Health NHS Trust, University of Leiden, Pediatric Hospital Bambino Gesù, German Heart Centre Munich, Università di Parma, Royal Hospital for Children, Birmingham Women's Hospital, Guy's and St Thomas' NHS Foundation Trust, Hospital Universitari Vall d’Hebron - Department of Intensive Care, University Hospital Regensburg - Department of Internal Medicine II and General University Hospital - 2nd Department of Internal Cardiovascular Medicine

affiliation not provided to SSRN, Hospital Universitario Ramón y Cajal - Department of Intensive Care, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Lausanne - Lausanne University Hospital, affiliation not provided to SSRN, University of Piemonte Orientale, affiliation not provided to SSRN and Université Libre de Bruxelles (ULB) - Department of Intensive Care