Replying to:
Frank Berthold, Marc Hömberg, Inna Proleskovskaya, Pavel Mazanek, Margarita Belogurova, Angela Ernst & Jaroslav Sterba from the Department of Pediatric Oncology and Hematology, University of Cologne, Germany; Department of Pediatric Oncology and Hematology, University of Minsk, Belarus; Department of Pediatric Oncology and Hematology, University of Brno, Czech Republic; dDepartment of Pediatric Oncology and Hematology, University of Cologne,St. Petersburg have just published in Pediatric (...)