1. Department of Intensive Care Medicine, Shandong Provincial Third Hospital, Shandong University, Jinan, China
2. The First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
3. Department of Emergency, International Mongolian Hospital of Inner Mongolia, Hohhot, China
4. Department of Emergency Center, Shandong University of Traditional Chinese Medicine Affiliated Hospital, Jinan, China