1 Department of Human Genetics, Hannover Medical School, Carl-Neuberg-Str.1, 30625 Hannover, Germany.
2 Pediatric Hematology and Oncology, Hannover Medical School, Hannover, Germany.
3 Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, 30625 Hannover, Germany.
4 Division of Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Germany and German Cancer Consortium (DKTK), Freiburg, Germany and German Cancer Research Center (DKFZ), Heidelberg, Germany.
5 Institute of Pathology, Kaufbeuren, Germany.
6 Department of Human Genetics, University of Würzburg, Biocenter, Würzburg, Germany.
7 Pediatric Hematology and Oncology, Hannover Medical School, Hannover, Germany. kratz.christian@mh-hannover.de.