Affiliation: | 1. Institute of Pathology, Hannover Medical School, Hannover, Germany;2. Division of Pediatric Hematology and Oncology, University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany;3. Institute of Pathology, Health Center B?blingen, B?blingen, Germany;4. Department of Pediatrics and Adolescent Medicine, Division of Pediatric Hematology and Oncology, Medical Center – University of Freiburg, Faculty of Medicine, University of Freiburg, Germany |