1. National Health Commission Key Laboratory of Birth Defects Prevention, Henan Key Laboratory of Population Defects Prevention, Henan Institute of Reproduction Health Science and Technology, 26 Jingwu Road, Zhengzhou 450002, China
2. Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
3. Luohe Medical College, Luohe City, Henan Province, China