[1] Med Univ Lodz, Dept Pediat Oncol & Hematol, Pediat Palliat Care Unit, 36-50 Sporna Str, PL-91738 Lodz, Poland
[2] Gajusz Fdn, Pediat Palliat Care Ctr, 87 J Dabrowskiego Str, PL-93271 Lodz, Poland
[3] Med Univ Lodz, Dept Clin Genet, 251 Pomorska Str, PL-92213 Lodz, Poland
[4] Polish Mothers Mem Hosp, Res Inst, Dept Perinatol Obstet & Gynecol, 281-289 Rzgowska Str, PL-93338 Lodz, Poland
[5] Med Univ Lodz, Dept Gynecol & Obstet, 281-289 Rzgowska Str, PL-93338 Lodz, Poland
[6] Polish Mothers Mem Hosp, Res Inst, Dept Gynecol Fertil & Fetal Therapy, 281-289 Rzgowska Str, PL-93338 Lodz, Poland