1. Department of Oncology, Shanghai 9th People's Hospital Shanghai Jiao Tong University School of Medicine Shanghai China
2. Department of Clinical Laboratory Children's Hospital Affiliated to Zhengzhou University Zhengzhou China
3. Department of Pediatrics The First Affiliated Hospital of Zhengzhou University Zhengzhou China
4. Department of Pathology Huashan‐Baoshan Hospital Shanghai China
5. Department of Reproductive Medicine, Shanghai First Maternity and Infant Hospital Tongji University School of Medicine Shanghai China
6. Department of Pathology Zhengzhou Central Hospital Affiliated to Zhengzhou University Zhengzhou China