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 and Berlin Institute of Health, Berlin, Germany
2. Unit of Integrative Pediatrics, Department of Pediatrics, Faculty of Medicine, University of São Paulo, São Paulo, Brazil