N. G. Kul'chenko
Peoples’ Friendship University of Russia (RUDN University)
Russian Federation

Nina G. Kulchenko, MD, PhD, urologist, doctor of ultrasonic diagnostics, senior lectures of the departmens of histology, cytology and embryology

For correspondence: Address: 6 Miklukho-Maklaya str., Moscow 117198, Russian Federation

G. I. Myandina
Peoples’ Friendship University of Russia (RUDN University)
Russian Federation

Galina I. Myandina, PhD, DSc in Biology, professor, department of biology and general genetics

Hasan Alhedjoj
Peoples’ Friendship University of Russia (RUDN University)
Russian Federation

Alhedjoj Hasan, post-graduate student, department of biology and general genetics