1. Obstetrics Department, People’s Hospital of Deyang City, Deyang, Sichuan, China
2. Department of Interventional Radiology, People’s Hospital of Deyang City, Deyang, Sichuan, China
3. School of Foreign Languages, Chengdu University of Technology, Chengdu, Sichuan, China
4. Nursing Department, People’s Hospital of Deyang City, Deyang, Sichuan, China