[1] Univ Calif Los Angeles, Los Angeles, CA USA
[2] Irish Cooperat Oncol Res Grp, Dublin, Ireland
[3] Orszagos Onkol Intezet, Budapest, Hungary
[4] Szent Margit Korhaz, Onkol, Budapest, Hungary
[5] Dnipropetrovsk City Multiple Discipline Clin Hosp, Dnepropetrovsk, Ukraine
[6] Donetsk City Oncol Dispensary, Donetsk, Ukraine
[7] Tech Univ Munich, Klinikum Rechts Isar, D-80290 Munich, Germany
[8] Comprehens Blood & Canc Ctr, Bakersfield, CA USA
[9] Petz Aladar Teaching Hosp Gyor, Gyor, Hungary
[10] Johannes Gutenberg Univ Mainz, Dept Obstet & Gynecol, D-55122 Mainz, Germany
[11] Lviv State Oncol Reg Treatment & Diagnost Ctr, Lvov, Ukraine
[12] Comprehens Canc Ctr Nevada, Henderson, NV USA
[13] Kyiv City Clin Oncol Ctr, Kiev, Ukraine
[14] Pfizer Oncol, San Diego, CA USA