1. Xiangya Nursing School Central South University Changsha China
2. Clinical Research Center for Reproduction and Genetics in Hunan Province Reproductive and Genetic Hospital of CITIC‐Xiangya Changsha China
3. Teaching and Research Section of Clinical Nursing, Xiangya Hospital Central South University Changsha China
4. Critical care medicine, Xiangya Hospital Central South University Changsha China
5. Emergency department, Xiangya Hospital Central South University Changsha China
6. Intensive Care Unit, Xiangya Hospital Central South University Changsha China
7. Orthopedics Department, Xiangya Hospital Central South University Changsha China
8. Xiangya School of Public Health Central South University Changsha China