Jiashan Zhu1, Hanzhi Qin2, Kui Jin3, Yan Hong3, Meng Wang3. 1. Department of Emergency, The First Affiliated Hospital of USTC (Anhui Provincial Hospital), Hefei, China - 995968647@qq.com. 2. Department of Nursing, The First Affiliated Hospital of USTC (Anhui Provincial Hospital), Hefei, China. 3. Department of Emergency, The First Affiliated Hospital of USTC (Anhui Provincial Hospital), Hefei, China.