1. Radboudumc Expert Center for Iron Disorders, Radboud University Medical CenterNijmegen, The Netherlands
2. Translational Metabolic Laboratory, Department of Laboratory MedicineRadboud University Medical CenterNijmegen, The Netherlands
3. Department of HematologyRadboud University Medical CenterNijmegen The Netherlands
4. Department of Pediatric HematologyUniversity Medical CenterUtrecht The Netherlands
5. Department of HematologyErasmus MCRotterdam The Netherlands
6. Department of Pediatric HematologyErasmus MC, Sophia Children's Hospital Rotterdam The Netherlands
7. Department of Internal MedicineRijnstate Hospital Arnhem, Arnhem The Netherlands
8. Department of HematologyMaastricht UMC The Netherlands
9. Department of PediatricsMaastricht UMCMaastricht The Netherlands
10. Department of Internal MedicineRadboud University Medical CenterNijmegen The Netherlands
11. Department of Pediatric Hemato‐OncologyRadboud University Medical CenterNijmegen, The Netherlands
12. Department of Laboratory MedicineMáxima Medical Center, VeldhovenEindhoven The Netherlands
13. Department of Hemato‐OncologyMáxima Medical CenterVeldhoven Eindhoven The Netherlands
14. Department of Internal MedicineBronovo HospitalThe Hague The Netherlands