1. Department of Pediatrics, UH Rainbow Babies & Children’s Hospital and Case Western Reserve University School of Medicine , Cleveland, Ohio , USA
2. Department of Pediatric Oncology, University Hospital Brno , Brno , Czech Republic
3. Division of Infectious Diseases, Children’s Hospital Los Angeles , Los Angeles, California , USA
4. Santa Casa de Misericórdia , Belo Horizonte , Brazil
5. Pediatric Hematology-Oncology Department, Hospital Niño Jesus , Madrid , Spain
6. PPDM QP2, Merck & Co., Inc. , Rahway, New Jersey , USA
7. Biostatistics, Merck & Co., Inc. , Rahway, New Jersey , USA
8. Clinical Operations, Merck & Co., Inc. , Rahway, New Jersey , USA
9. Clinical Research, MSD UK , London , UK