1 School of Nursing, Wuhan University, Wuhan, Hubei, China.
2 Department of Thyroid and Parathyroid Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
3 Department of Orthopedics, Chengkou People's Hospital, Chongqing, China.
4 Department of Nursing, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.
5 Department of outpatients, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
6 Department of Obstetrics and Gynecology, Second Affiliated Hospital, Chongqing Medical University, Chongqing, China.
7 Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China.
8 Department of Obstetrics and Gynecology, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, China.
9 Department of Medical Library, Erasmus MC-University Medical Center, Rotterdam, The Netherlands.
10 Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, Hubei, China. zcliu6@whu.edu.cn.
11 Department of Thyroid and Parathyroid Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China. rockoliver@vip.sina.com.
12 School of Nursing, Wuhan University, Wuhan, Hubei, China. 00009312@whu.edu.cn.