1. Department of Obstetrics and Gynecology Nanfang HospitalSouthern Medical University Guangzhou China
2. Hainan Provincial Key Laboratory for Human Reproductive Medicine and Genetic Research Reproductive Medical CenterThe First Affiliated Hospital of Hainan Medical UniversityHainan Medical University Haikou China
3. Institute of Biosciences and Technology Texas A&M University Health Science Center Houston TX USA
4. Department of Obstetrics and Gynecology Affiliated Shenzhen Maternity and Child Healthcare HospitalSouthern Medical University Shenzhen China