1 Department of Nursing, Chinese Academy of Medical Sciences-Peking Union Medical College, Peking Union Medical College Hospital (Dongdan Campus), No.1 Shuaifuyuan Wangfujing, Dongcheng District, Beijing 100730, China.
2 Department of Emergency, The People's Hospital of Baoan Shenzhen, The Second Affiliated Hospital of Shenzhen University, Shenzhen 518101, China.
3 School of Nursing, Chinese Academy of Medical Sciences-Peking Union Medical College, 33 Badachu Road, Shijingshan, Beijing 105400, China.
4 Department of Nursing, Chinese Academy of Medical Sciences-Peking Union Medical College, Peking Union Medical College Hospital (Dongdan Campus), No.1 Shuaifuyuan Wangfujing, Dongcheng District, Beijing 100730, China. Electronic address: wuxinjuan@sina.com.
5 Department of Emergency, The People's Hospital of Baoan Shenzhen, The Second Affiliated Hospital of Shenzhen University, Shenzhen 518101, China. Electronic address: zhangmuxi0310@163.com.