1. Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China;
2. Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA;
3. Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China;
4. Beijing Key Laboratory for Genetics of Birth Defects, Beijing Pediatric Research Institute; Genetics and Birth Defects Control Center, National Center for Children's Health; MOE Key Laboratory of Major Diseases in Children; Beijing Children's Hospital, Capital Medical University, Beijing, China;
5. Division of Genetics and Genomics, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA;
6. The Maternity and Child Health Hospital of Guangxi, Nanning, China