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1 Department of Infectious Disease, Chest Hospital of Hebei Province, Shijiazhuang, China
2 Department of Laboratory Medicine, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, China
3 Intensive Care Unit, Chest Hospital of Hebei Province, Shijiazhuang, China
4 Department of Laboratory Medicine, Chest Hospital of Hebei Province, Shijiazhuang, China