1. Department of Pediatric Oncology/Hematology, Otto-Heubner Centre for Pediatric and Adolescent Medicine (OHC), Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany.
2. Department of Human Medicine and Integrated Accompanying Studies in Anthroposophic Medicine (IBAM), University of Witten/Herdecke Faculty of Health, Herdecke, Germany.
3. Department of Pediatrics, University of São Paulo Faculty of Medicine, São Paulo, Brazil.