[1
]
1st Chair and Department of Cardiology, Medical University of Warsaw, Warsaw, Poland
[2
]
1st Chair and Department of Cardiology, Medical University of Warsaw, Warsaw, Poland.
pawel@balsam.com.pl
[3
]
Complexo Hospitalario Universitario A Coruña (CHUAC), La Coruña, Spain
[4
]
National Association of Hospital Cardiologists (ANMCO) Research Centre, Florence,
Italy
[5
]
Department of Cardiology, 1st Chair of Cardiology and Cardiac Surgery, Medical University
of Lodz, Łódź, Poland