Affiliations:
1Department of Pediatrics, Peking Union Medical
College Hospital, Peking Union Medical College, Chinese Academy of
Medical Sciences, Beijing, China.
2 Department of Medical Oncology, Pediatric Oncology
Center, Beijing Children’s Hospital, Capital Medical University,
National Center for Children’s Health, Beijing, China.
3 Institute of Clinical Medicine, Peking Union Medical
College Hospital, Peking Union Medical College, Chinese Academy of
Medical Sciences, Beijing, China.