[1] Nemocnice Horovice Hosp, Oncol Clin, Nemocnice Horovice, Czech Republic
[2] Kaposi Moriz Teaching Hosp, Oncol Clin, Kaposvar, Hungary
[3] Hemetsberger Med Serv, Med Writing, Vienna, Austria
[4] Quartesian, Dept Biostat, Kharkov, Ukraine
[5] Amgen EOOD, Sci Affairs, Sofia, Bulgaria
[6] Amgen Europe GmbH, Sci Affairs, Zug, Switzerland