1. Department of Gyneacology and Obstetrics, Pavol Jozef Šafárik University in Košice, Košice, Slovakia;
2. Department of Medical and Clinical Biochemistry, Pavol Jozef Šafárik University in Košice, Košice, Slovakia;
3. Institute of Physics, Pavol Jozef Šafárik University in Košice, Košice, Slovakia