Published on in Vol 7, No 9 (2018): September

1 Department of Pediatrics , Amsterdam UMC, Vrije Universiteit, Amsterdam , NL
2 Boyne Research Institute , Drogheda , IE
3 Centre Hospitalier Universitaire de Saint-Étienne , Saint-Étienne , FR
4 Division of Oncology and Hematology, Department of Pediatrics, Charité – Universitätsmedizin Berlin, Berlin , DE
5 University Children's Hospital Bonn, University of Bonn Medical School , Bonn , DE
6 Pediatrics III , University Hospital Essen, Essen , DE
7 West German Cancer Centre , German Cancer Research Centre, Essen , DE
8 Danish Cancer Society Research Center , Copenhagen , DK
9 Department of Clinical Medicine, Faculty of Health , Aarhus University Hospital, Aarhus , DK
10 Oslo University Hospital , Oslo , NO
11 German Childhood Cancer Registry, Institute for Medical Biometry, Epidemiology and Informatics, University Medical Center Mainz, Mainz , DE
12 University College London Hospital , London , GB
13 Princess Máxima Center for Pediatric Oncology , Utrecht , NL
14 Erasmus MC University Medical Center , Rotterdam , NL
15 International Clinical Research Center of St Anne's University Hospital Brno , Brno , CZ
16 Department of Pediatrics , Amsterdam UMC, University of Amsterdam, Amsterdam , NL
17 Motol Teaching Hospital , Prague , CZ
18 Swiss Childhood Cancer Registry, University of Bern , Bern , CH
19 Department of Obstetrics and Gynaecology , Amsterdam UMC, Vrije Universiteit, Amsterdam , NL
20 Netherlands Cancer Institute , Amsterdam , NL
21 Great Ormond Street Children’s Hospital , London , GB
22 Edmond and Lily Safra Children’s Hospital , Chaim Sheba Medical Center, Tel-Aviv , IL
23 The Sackler Faculty of Medicine , Tel-Aviv University, Tel-Aviv , IL
24 Gaslini Children Hospital , Genova , IT
25
*these authors contributed equally