1. Office of Academic Research Second Hospital of Hebei Medical University Shijiazhuang China
2. Nursing Department Second Hospital of Hebei Medical University Shijiazhuang China
3. Department of Cardiology Second Hospital of Hebei Medical University Shijiazhuang China
4. Nursing Department Second Hospital of Baoding Baoding China
5. Nursing Department Tangshan Gongren Hospital Tangshan China
6. Nursing Department Handan Central Hospital Handan China
7. Neurology Hospital Cangzhou Central Hospital Cangzhou China
8. Nursing Department The Second Affiliated Hospital of Xingtai Medical College Xingtai China
9. Nursing Department The People's Hospital of Langfang City Langfang China
10. Nursing Department The First Hospital of Qinhuangdao Qinhuangdao China
11. Nursing Department The First Affiliated Hospital of Hebei North University Zhangjiakou China
12. Nursing Department Harrison International Peace Hospital Hengshui China
13. Nursing Department Chengde Central Hospital Chengde China
14. Nursing Department Dingzhou Maternal and Child Health Care Hospital Dingzhou China
15. Nursing Department The First Hospital of Xinji Xinji China