1. Department of Public Health and Primary Care (PHEG) Leiden University Medical Center Leiden The Netherlands
2. Argos Zorggroep “DrieMaasStede”, Center for Specialized Geriatric Care Schiedam The Netherlands
3. Pediatric Hematology and Oncology Departments Hospital Sant Joan de Déu, University of Barcelona Barcelona Spain
4. Leukemia and Other Pediatric Hemopathies, Developmental Tumor Biology Group, Institut de Recerca Hospital Sant Joan de Déu Barcelona Barcelona Spain
5. Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III Madrid Spain
6. Hematology Laboratory Hospital Sant Joan de Déu, University of Barcelona Barcelona Spain