1. Department of Life Sciences and Medicine (DLSM), Faculty of Sciences, Technology and Medicine (FSTM), University of Luxembourg, 4365 Esch-sur-Alzette, Luxembourg
2. Institute of Health and Society (IRSS), Université Catholique de Louvain, 1200 Brussels, Belgium
3. Faculty of Public Health, Université Catholique de Louvain, 1200 Brussels, Belgium
4. Interface Pédiatrique, Department of Paediatric Oncology and Haematology, Cliniques Universitaires St Luc, 1200 Brussels, Belgium
5. Globul’home, Hôpital Universitaire des Enfants Reine Fabiola, 1020 Brussels, Belgium
6. Kites, Department of Paediatric Oncology and Haematology, Universitair Ziekenhuis Leuven, 3000 Leuven, Belgium
7. Department of Public Health and Primary Care, Katholieke Universiteit Leuven, 3000 Leuven, Belgium