1. Central Laboratory, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian Province, China
2. Department of Respiratory Medicine, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian Province, China
3. Department of Microbiology, Quanzhou Municipal Center for Disease Control and Prevention, Fujian Province, Quanzhou, China
4. Department of Pulmonary and Critical Care Medicine, Quanzhou First Hospital Affiliated to Fujian Medical University, Quanzhou, Fujian Province, China