1. Office of Academic Research The Second Hospital of Hebei Medical University Shijiazhuang China
2. Nursing Department The Second Hospital of Hebei Medical University Shijiazhuang China
3. Nursing Department Hebei General Hospital Shijiazhuang China
4. Nursing Department The Third Hospital of Hebei Medical University Shijiazhuang China
5. Nursing Department Children's Hospital of Hebei Province Shijiazhuang China
6. Nursing Department Hebei Province Hospital of Traditional Chinese Medicine Shijiazhuang China
7. Department of Cardiology The Second Hospital of Hebei Medical University Shijiazhuang China