1 Department of Pediatrics and Adolescent Medicine, Division of Pediatric Hematology and Oncology, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
2 German Cancer Consortium (DKTK), Heidelberg and Freiburg, Freiburg, Germany.
3 Pediatric Oncology and Hematology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy.
4 Princess Maxima Center, Diagnostic Laboratory/DCOG Laboratory, Utrecht, The Netherlands.
5 Department of Pediatric Hematology-Oncology and Stem Cell Transplantation, Ghent University Hospital, Ghent, Belgium.
6 Department of Pediatrics, St. Anna Children's Hospital, Medical University of Vienna, Vienna, Austria.
7 Department of Pediatrics, Aarhus University Hospital, Aarhus, Denmark.
8 Department Haematology, Oncology, Immunology, Gene-Therapy and Stem Cell Transplantation, University Children's Hospital, Zurich, Switzerland.
9 Department of Pediatric Hematology and Oncology, Charles University and University Hospital Motol, Prague, Czech Republic.
10 Department of Pediatric Oncology/Hematology, Skåne University Hospital, Lund, Sweden.
11 Department of Pediatric Hematology and Oncology, BMT Unit CIC 817, Wroclaw Medical University, Wroclaw, Poland.
12 Pediatric Oncology and Hematology Service, Hematopoietic Stem Cell Transplantation Section, Vall d'Hebron University Hospital, Barcelona, Spain.
13 Department of Pediatric Hematology and Oncology, Oslo University Hospital, Oslo, Norway.
14 Division of Hematology-Oncology and SCT, New Children´s Hospital, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.
15 Department of Pediatric Hematology and Stem Cell Transplantation, Central Hospital of Southern Pest-National Institute of Hematology and Infectious Diseases, Budapest, Hungary.
16 Bone Marrow Transplantation Unit, Department of Pediatric Hematology and Oncology, National Institute of Children's Diseases, Bratislava, Slovakia.
18 Paediatric Haematology and Oncology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
19 Stem Cell Transplantation Unit, Willem-Alexander Children's Hospital, Leiden University Medical Center, Leiden, The Netherlands.
20 Department of Stem Cell Transplantation, Princess Máxima Centre, Utrecht, The Netherlands.
21 Department of Hematology/Oncology and General Pediatrics, Children's University Hospital, University of Tübingen, Tübingen, Germany.
22 Pediatric hematopoietic stem cell transplantation and immunodeficiency, The Child and Adolescent Department, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark.
23 Division of Pediatric Stem Cell Therapy, Department for Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany.
24 Institute of Cell and Molecular Pathology, Hannover Medical School, Hannover, Germany.
25 Department of Pediatric Hematology and Oncology, Bambino Gesù Children's Hospital, Catholic University of the Sacred Heart, Rome, Italy.
26 Department of Pediatrics and Adolescent Medicine, Division of Pediatric Hematology and Oncology, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany. ayami.yoshimi@uniklinik-freiburg.de.