1 Cardiac surgery department of Faculty Hospital in Pilsen, Charles University, Prague, Alej Svobody 80, Pilsen, 304 60, Czech Republic. mah12moud12@gmail.com.
2 Department of Physiology, Faculty of Medicine in Pilsen, Charles University, Svobody, 1655/76, Pilsen, 323 00, Alej, Czech Republic. mah12moud12@gmail.com.
3 Cardiac surgery department of Faculty Hospital in Pilsen, Charles University, Prague, Alej Svobody 80, Pilsen, 304 60, Czech Republic.
4 Department of Physiology, Faculty of Medicine in Pilsen, Charles University, Svobody, 1655/76, Pilsen, 323 00, Alej, Czech Republic.