1. Department of Pediatric Hematology-Oncology, and
2. Monique and Jacques Roboh Department of Genetic Research, Hadassah, Hebrew University Medical Center, Jerusalem, Israel;
3. Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom;
4. Rheumatology Research Center and Department of Medicine, Hadassah, Hebrew University Medical Center, Jerusalem, Israel;
5. Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Center of Child and Adolescent Health, Heinrich Heine University, Düsseldorf, Germany;
6. Department of Pediatrics, Hadassah-Hebrew University Medical Center, Jerusalem, Israel;
7. Pediatric Hemato-Oncology Unit, Augusta Victoria Hospital, Jerusalem; and
8. Department of Radiology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel