[1] Poznan University of Medical Sciences,Department of Cardiac Surgery and Transplantology
[2] University of Zielona Gora,Department of Cardiac Surgery and Interventional Cardiology, Faculty of Medicine and Medical Sciences
[3] Zbigniew Religa Heart Center ‘Medinet’,Department of Cardiac Surgery
[4] Medical University of Silesia in Katowice,Department of Cardiac Surgery, Transplantology, Vascular and Endovascular Surgery, Silesian Centre for Heart Diseases
[5] Medical University of Silesia,Department of Cardiac Surgery
[6] Jagiellonian University Medical College,Department of Cardiovascular Surgery and Transplantology, Institute of Cardiology
[7] Medical University of Gdansk,Department of Cardiac and Vascular Surgery
[8] University of Rzeszow,Department of Cardiac Surgery
[9] The Children’s Memorial Health Institute,Department of Pediatric Cardiothoracic Surgery
[10] Wroclaw Medical University,Department and Clinic of Cardiac Surgery