Emilia J Kozyra, MSc1*, Shinsuke Hirabayashi, MD1*, Victor Bengt Pastor Loyola, MSc1*, Bartlomiej Przychodzen, MSc2*, Axel Karow, MD3*, Albert Catala, MD4*, Barbara De Moerloose, MD, PhD5*, Michael Dworzak, MD6*, Henrik Hasle, MD7, Riccardo Masetti, MD8*, Markus Schmugge, MD9, Owen Smith10, Jan Starý, MD11*, Marek Ussowicz, MD12*, Marry M. van den Heuvel-Eibrink, MD, PhD13*, Vit Campr, MD14*, Rita Devito, MD15*, Pascale Paepe, MD, PhD16*, Miguel Hernandez-Marti, MD17*, Gitte Kerndrup, MD18*, Roos Leguit, MD19*, Jadwiga Maldyk, MD20*, Maureen OxSullivan, MD21*, Ingrid Simonitsch-Klupp, MD22*, Irith Baumann, MD23*, Franco Locatelli, Prof, MD, PhD24*, Jaroslaw P. Maciejewski, MD, Ph.D.2, Brigitte Strahm, MD1*, Charlotte M Niemeyer, Prof, MD1 and Marcin W Wlodarski, MD1*
1University Children´s Hospital Freiburg, Division of Pediatric Hematology and Oncology, University of Freiburg, Freiburg, Germany
2Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic, Cleveland, OH
3Department of Pediatrics, University Hospital Ber, Bern, Switzerland
4Dep of Hematology, Hospital Sant Joan de Déu, Barcelona, Spain
5Department of Pediatrics, Ghent University, Ghent, Belgium
6Department of Pediatrics, Medical University of Vienna, St. Anna Children's Hospital and Children’s Cancer Research Institute, Vienna, Austria
7Department of Pediatrics, Aarhus University Hospital, Aarhus, Denmark
8Pediatric Oncology and Hematology, University of Bologna, Bologna, Italy
9Haematology, University Children's Hospital Zurich, Zurich, Switzerland
10Department of Haematology, Our Lady's Children's Hospital, Dublin, Ireland
11Department of Pediatric Hematology and Oncology, Charles University and Univ Hospital Motol, Prague, Czech Republic
12Dep of Pediatric Hematology/ Oncology, Charles University and Univ Hospital Motol, Prague, Czech Republic
13Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
14Institute of Pathology, University Hospital Motol, Prague, Czech Republic
15Dep of Pathology, Bambino Gesu' Children's Hospital, Rome, Italy
16Department of Pathology, University of Ghent, Ghent, Belgium
17Hospital Iniversitario La Fe, Valencia, Spain
18Institute of Pathology, Aarhus University Hospital Skejby, Aarhus, Denmark
19Pathology, University Medical Center Utrecht, Utrecht, Netherlands
20Department of Pediatric Pathomorphology, Medical UniversityWarszawa, Warszawa, Poland
21Histology Laboratory, Our Lady´s Children´s Hospital Crumlin, Dublin, Ireland
22Clinical Institute of Pathology, Medical University of Vienna, Vienna, Austria
23Dep of Pathology, Clinical Center Böblingen, Böblingen, Germany
24Department of Pediatric Hematology and Oncology, IRCCS Ospedale Pediatrico Bambino Gesù, Rome, Italy