1. Emergency Department, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, Guangzhou 510120, China
2. Institute of Cardiopulmonary Cerebral Resuscitation, Sun Yat-Sen University, Guangzhou 510120, China
3. Department of Emergency Medicine, Taiping People’s Hospital, Medical School of Jinan University, Dongguan 523905, China
4. Emergency Department, Southwest Hospital of the Third Military Medical University, Chongqing 400038, China
5. School of Biomedical Engineering, Third Military Medical University and Chongqing University, Chongqing 400038, China