Affiliation: | ISun Yat-Sen University, The First Affiliated Hospital, Department of Emergency, Guangzhou. ;IISun Yat-sen University, School of Nursing, Guangzhou, People''s Republic of China. ;IIINanHua University, The First Affiliated Hospital, Department of Cardiology, Hengyang, People''s Republic of China. ;IVGuangzhou Medical College, The First Affiliated Hospital, Department of Emergency, Guangzhou, People''s Republic of China. |