1 Department of Cardiovascular, First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250014, China.
2 Department of Cardiovascular, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250014, China.
3 Department of Emergency Intensive Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250014, China.