1. Department of Emergency, The Second Affiliated Hospital of Xi’an Jiao Tong University, Xi’an, China
2. Department of Gastroenterology, The Third People’s Hospital of Xi’an, Xi’an, China
3. Staff Room of Clinical Immunology and Pathogen Detection, Medical Technology Department, Xi’an Medical College, Xi’an, China
4. Department of Respiratory Medicine, The First Affiliated Hospital of Xi’an Jiao Tong University, Xi’an, China
5. Department of Critical Care Medicine, The Second Affiliated Hospital of Xi’an Jiao Tong University, Xi’an, China