1. Poznan University of Medical Sciences 1st Department of Cardiology Poznan Poland
2. Department of Reproductive Biology and Stem Cells Institute of Human Genetics Polish Academy of Sciences, ul. Strzeszynska 32 60‐479 Poznan Poland
3. Poznan University of Medical Sciences Department of Cardiac Surgery Poznan Poland
4. Greater Poland Cancer Centre, Nuclear Medicine Department Poznan Poland
5. Poznan University of Medical Sciences Department of Statistics Poznan Poland