1. Department of Paediatric Oncology/Haematology, Otto-Heubner Centre for Paediatric and Adolescent Medicine (OHC), Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
2. Cambridge – a Prime Global Agency, Knutsford, UK
3. Department of Paediatric Pneumology and Allergology, University Hospital Carl Gustav Carus Dresden, Technical University Dresden, Dresden, Germany