1. School of Nursing Shenzhen University Shenzhen China
2. The Affiliated Hospital of Hunan Normal University (Hunan Provincial People's Hospital) Changsha China
3. Guangzhou Women and Children‘s Medical Center Guangzhou Medical University Guangzhou China
4. North Sichuan Medical College Nanchong China
5. Hunan Institute of Emergency Medicine Changsha China
6. Hunan Provincial People's Hospital Changsha China
7. Xiangya Hospital Central South University Changsha China