1. Department of Intensive Care Unit, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
2. Evidence-Based Nursing Center, School of Nursing, Lanzhou University, Lanzhou, Gansu, China
3. Evidence-Based Social Science Research Center, School of Public Health, Lanzhou University, Lanzhou, Gansu, China
4. Department of Social Medicine and Health Management, School of Public Health, Lanzhou University, Lanzhou, Gansu, China
5. Department of Pediatrics, Gansu Provincial Maternity and Child Care Hospital, Lanzhou, Gansu, China
6. The First People’s Hospital of Lanzhou City, Lanzhou, Gansu, China
7. Department of Pediatrics, West China Second University Hospital, Chengdu, Sichuan, China
8. Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, Chengdu, Sichuan, China
9. Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu, China
10. Key Laboratory of Evidence-Based Medicine and Knowledge Translation of Gansu Province, Lanzhou, Gansu, China