[1] Vilnius Univ, Fac Med, Vilnius, Lithuania
[2] Princess Maxima Ctr Pediat Oncol, Utrecht, Netherlands
[3] Vilnius Univ Hosp Santaros Klin, Ctr Pediat Oncol & Hematol, Vilnius, Lithuania
[4] Vilnius Univ Hosp Santaros Klin, Ctr Obstet & Gynecol, Vilnius, Lithuania