1. Department of Emergency The Third Hospital of Hebei Medical University Shijiazhuang Hebei China
2. Department of Cardiovascular Shijiazhuang HuaYao Hospital Shijiazhuang Hebei China
3. Department of Respiratory The Third Hospital of Hebei Medical University Shijiazhuang Hebei China
4. Department of Neurology Shijiazhuang HuaYao Hospital Shijiazhuang Hebei China
5. Department of Respiratory Shijiazhuang HuaYao Hospital Shijiazhuang Hebei China