1. Department of Pediatrics Hematology Dongguan Children's Hospital Dongguan China
2. Department of Medical and Molecular Genetics Dongguan Institute of Pediatrics Dongguan China
3. Medical laboratory Dongguan Children's Hospital Dongguan China
4. Key Laboratory for Children's Genetics and Infectious Diseases of Dongguan City Dongguan China
5. Pediatric Intensive Care Unit Dongguan Children's Hospital Dongguan China