1. Department of Pulmonary and Critical Care Medicine, Laboratory of Clinical Microbiology and Infectious Diseases, Center for Respiratory Diseases, China–Japan Friendship Hospital, National Clinical Research Centre for Respiratory Disease, Beijing
2. Department of Respiratory, Emergency and Critical Care Medicine, First Affiliated Hospital of Soochow University, Jiangsu
3. First Affiliated Hospital of Nanchang University, Jiangxi, People’s Republic of China