1. Department of Gastroenterology, Children’s Hospital of Fudan University, Shanghai, China
2. Department of Hematology and Oncology, Children’s Hospital of Fudan University, Shanghai, China
3. Molecular Genetic Diagnosis Center, Shanghai Key Lab Birth Defects, Pediatric Research Institute, Children’ s Hospital of Fudan University, Shanghai, China
4. Department of Pathology, Zhongshan Hospital of Fudan University, Shanghai, China