[1] National Medical Institute of the Ministry of Interior and Administration,Clinical Department of Cardiac Surgery and Transplantology, Centre of Postgraduate Medical Education
[2] Maastricht University Medical Centre,Cardio
[3] IRCCS-ISMETT,Thoracic Surgery Department, Heart and Vascular Centre
[4] Nicolaus Copernicus University,Department for the Treatment and Study of Cardiothoracic Diseases and Cardiothoracic Transplantation
[5] Regional Specialist Hospital,Department of Anaesthesiology and Intensive Care, Ludwik Rydygier Collegium Medicum
[6] Medical University of Silesia,Department of Cardiac Surgery
[7] Medical University of Gdansk,Department of Cardiology and Structural Heart Diseases
[8] Wroclaw Medical University,Department of Cardiac and Vascular Surgery
[9] University of Rzeszów,Department and Clinic of Cardiac Surgery
[10] Medical University of Bialystok,Clinical Department of Cardiac Surgery, District Hospital No. 2
[11] Upper-Silesian Heart Center,Department of Cardiosurgery
[12] The Children’s Memorial Health Institute,Department of Cardiac Surgery
[13] Collegium Medicum Nicolaus Copernicus University,Department of Pediatric Cardiothoracic Surgery
[14] Innovative Medical Forum,Thoracic Research Centre
[15] University Hospital,Department of Cardiac Surgery
[16] Medicover Hospital,Cardiac Surgery Department
[17] Masovian Specialistic Hospital of Radom,Department of Cardiac Surgery
[18] Pomeranian Medical University,Department of Cardiac Surgery
[19] J. Struś Hospital,Department of Cardiosurgery
[20] Medinet Heart Center Ltd,Department of Cardiac Surgery
[21] University Clinical Center of the Medical University of Warsaw,Department of Cardiovascular Surgery
[22] American Heart of Poland,Department of Cardiac Surgery
[23] Jagiellonian University Medical College,Department of Cardiovascular Surgery and Transplantology
[24] John Paul II Hospital,Department of Cardiac Surgery
[25] The Pope John Paul II Province Hospital,Department of Cardiac Surgery
[26] Military Institute of Medicine,Department of Pediatric Cardiac Surgery
[27] Pomeranian Traumatology Center,Cardiac Surgery Department
[28] Medical University of Warsaw,Department of Cardiac Surgery
[29] Medical University of Lublin,Department of Cardiac Surgery
[30] Ceynowa Specialist Hospital in Wejherowo,Department of Cardiac Surgery and Transplantology
[31] Lower Silesian Center for Heart Diseases,Department of Cardiac and General Pediatric Surgery
[32] Medical University of Lodz,Department of Cardiac Surgery, Institute of Medical Sciences
[33] Poznan University of Medical Sciences,Department of Anesthesiology and Intensive Therapy, Silesian Centre for Heart Diseases in Zabrze
[34] Medical University of Warsaw,Department of Cardiac Surgery
[35] University Hospital,Department of Cardiac Surgery and Transplantology
[36] University of Opole,Department of Medicine, Faculty of Medical Sciences and Health Sciences
[37] Medical University of Silesia,Cardiology and Cardiac Surgery Department
[38] Wroclaw Medical University,Department of Cardiac Surgery
[39] National Institute of Cardiology,Department of Cardiac Surgery
[40] Kazimierz Pulaski University of Technology and Humanities in Radom,Pediatric Cardiac Surgery
[41] 11th Military Research Hospital and Polyclinic IPHC in Bydgoszcz,Department of Cardiac Surgery
[42] Polish Mother’s Memorial Hospital Research Institute,Department of Paediatric Cardiac Surgery
[43] Department of Cardiac Surgery,2nd Department of Cardiac Surgery
[44] Swietokrzyskie Cardiology Center,Division of Cardiac Surgery, Heart and Lung Transplantation and Mechanical Circulatory Support
[45] Bieganski Hospital,Department of Cardiac Surgery
[46] Jagiellonian University,undefined
[47] 4Th Military Hospital,undefined
[48] Subcarpathian Center for Cardiovascular Intervention,undefined
[49] Poznan University of Medical Sciences,undefined
[50] Medical University of Silesia,undefined