1. Department of Poisoning and Occupational Diseases, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong Province, China
2. Department of Intensive Care Medicine, The Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong Province, China
3. Department of Digestive Internal Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong Province, China