1. Department of Endocrinology, Genetics and Metabolism Henan Children's Hospital, Zhengzhou Children's Hospital, Children's Hospital Affiliated to Zhengzhou University Zhengzhou China
2. Department of Endocrinology, Genetic and Metabolism Beijing Children's Hospital, Capital Medical University, National Center for Children's Health Beijing China
3. Department of Statistics and Epidemiology Henan Children's Hospital, Zhengzhou Children's Hospital, Children's Hospital Affiliated to Zhengzhou University Zhengzhou China