1. Childhood Cancer Research Unit Department of Women’s and Children’s Health Karolinska Institutet Stockholm Sweden
2. Center for Infectious Medicine Department of Medicine Huddinge Karolinska Institutet Stockholm Sweden
3. Center for Hematology and Regenerative Medicine Department of Medicine Huddinge Karolinska Institutet Stockholm Sweden
4. Centre for Molecular Medicine Department of Molecular Medicine and Surgery Karolinska Institutet Stockholm Sweden
5. Department of Clinical Genetics Karolinska University Laboratory Karolinska University Hospital Stockholm Sweden
6. Fiona Elsey Cancer Research Institute and Federation University Australia Ballarat Vic. Australia
7. Department of Pediatric Gastroenterology, Hepatology and Nutrition Karolinska University Hospital Stockholm Sweden
8. Department of Oncology‐Pathology Karolinska University Hospital Stockholm Sweden
9. Department of Pediatric Oncology Karolinska University Hospital Stockholm Sweden
10. Institut E3M Centre National de Référence des Histiocytoses Hôpital Pitié‐Salpêtrière Sorbonne Université Paris France
11. Department of Hematology Karolinska University Hospital Stockholm Sweden
12. Department of Pediatric Infectious Diseases Karolinska University Hospital Stockholm Sweden