Affiliation: | a Cincinnati Children's Hospital Medical Center and the University of Cincinnati College of Medicine, 3333 Burnet Avenue, Cincinnati, OH 45229, USA b University of Pavia, Ospedale Pediatrico Bambino Gesu, Roma, Italy c Pediatric Haematology/Oncology Fondazione, IRCCS Policlinico San Matteo, 27100-I, Pavia, Italy d Department of Pediatrics Hematology and Oncology, University Hospital Motol, Vúvalu 84, 150 06, Prague 5, Czech Republic |