About the Authors

Zheng Nian

Roles Conceptualization, Writing – original draft

Affiliations Department of Obstetrics Nursing, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, Sichuan, China

Yonghong Wang

Roles Conceptualization, Formal analysis

Affiliations Department of Obstetrics Nursing, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, Sichuan, China

Chuanya Huang

Roles Conceptualization, Methodology

chenxin123@stu.scu.edu.cn (XC); huangchuanya@scu.edu.cn (CH)

Affiliations Department of Obstetrics Nursing, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, Sichuan, China

Xin Chen

Roles Conceptualization, Resources, Writing – review & editing

chenxin123@stu.scu.edu.cn (XC); huangchuanya@scu.edu.cn (CH)

Affiliations Department of Obstetrics Nursing, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, Sichuan, China

Competing Interests

The authors have declared that no competing interests exist.