1. Department of Pediatrics, Division of Pediatric Hematology, Oncology and Stem Cell Transplantation, University Hospital Würzburg, University of Wuerzburg , Josef-Schneiderstr. 2, 97080 Wuerzburg , Germany
2. KIONET, The Phase I/II Pediatric Oncology Network Bavaria , 91054 Erlangen , Germany
3. Department of Pathology, All India Institute of Medical Sciences , New Delhi 110029 , India
4. Department of Pediatrics, Ribeirao Preto Medical School, University of Sao Paulo , Ribeirao Preto, Sao Paulo 14051-200 , Brazill
5. Hospital Infantil Joana Gusmão , Department of Pediatrics, 152 Rui Barbosa St., Florianópolis, SC 88025-300 , Brazil
6. Department of Pediatric Oncology, Hacettepe University Faculty of Medicine , 06100 Ankara , Turkey
7. Comprehensive Cancer Centre Mainfranken, University of Wuerzburg Medical Centre , Josef-Schneiderstr. 2, 97080 Wuerzburg , Germany
8. Department of Medicine, Division of Endocrinology and Diabetes, University of Wuerzbrug Medical Centre , Josef-Schneiderstr. 2, 97080 Wuerzburg , Germany
9. Pelé Pequeno Príncipe Research Institute and Pequeno Príncipe Faculty , Silva Jardim Avenue, Água Verde, Curitiba, PR 80.250-200 , Brazil
10. Department of Pediatric Endocrinology and Diabetes Istanbul, Marmara University School of Medicine , Istanbul 34722 , Turkey
11. Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham , Birmingham B152TT , United Kingdom
12. Department of Endocrinology and Diabetes, Birmingham Women's and Children's NHS Foundation Trust , Birmingham, Birmingham B46NH , United Kingdom
13. Centre of Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, University of Birmingham , Birmingham B15 2TT , United Kingdom
14. Pediatrics and Adolescents Medicine, Faculty of Augsburg, University of Augsburg , 86156 Augsburg , Germany
15. Serviço de Anatomia Patológica, Hospital de Clínicas, Universidade Federal do Paraná , 181 General Carneiro, Alto da Glória, Curitiba, PR 80060-900 , Brazil
16. Pediatric Oncology, Otto-von-Guericke-University , 39120 Magdeburg , Germany
17. Internal Medicine, Department of Clinical and Biological Sciences, S. Luigi Gonzaga Hospital, University of Turin , Orbassano 10043 , Italy
18. Mildred Scheel Early Career Center, University Hospital Wuerzburg , 97080 Wuerzburg , Germany