Department of Pulmonary and Critical Care Medicine Shengjing Hospital of China Medical University Shenyang 110004 Liaoning Province China;
Department of Critical Care Medicine The Sixth People''s Hospital of Shenyang Shenyang 110006 Liaoning Province China;
Department of Critical Care Medicine The Sixth People''s Hospital of Shenyang Shenyang 110006 Liaoning Province China;
Department of Infectious Diseases The Sixth People''s Hospital of Shenyang Shenyang 110006 Liaoning Province China;
Department of Infectious Diseases The Sixth People''s Hospital of Shenyang Shenyang 110006 Liaoning Province China;
Department of Pulmonary and Critical Care Medicine Shengjing Hospital of China Medical University Shenyang 110004 Liaoning Province China;
Department of Pulmonary and Critical Care Medicine Shengjing Hospital of China Medical University Shenyang 110004 Liaoning Province China;
Department of Pulmonary and Critical Care Medicine Shengjing Hospital of China Medical University Shenyang 110004 Liaoning Province China;
Department of Pulmonary and Critical Care Medicine Shengjing Hospital of China Medical University Shenyang 110004 Liaoning Province China;
Department of Pulmonary and Critical Care Medicine Shengjing Hospital of China Medical University Shenyang 110004 Liaoning Province China;
Coronavirus disease; COVID-19; Epidemiology; Liaoning; SARS-CoV-2; Viral pneumonia;