1. The First Affiliated Hospital of Guangzhou Medical University; Guangzhou Guangdong China
2. Ningbo Yinzhou Peoples' Hospital (The Affiliated Yinzhou Hospital of School of Medicine of Ningbo University); Ningbo Zhejiang China
3. The first affiliated hospital of Shantou University Medical College; Shantou China
4. Guangzhou Center for Disease Control and Prevention; Guangzhou Guangdong China
5. The Affiliated Hospital of School of Medicine of Ningbo University; Ningbo Zhejiang China
6. State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences; Peking University Beijing China
7. Department of Medicine/Pulmonary; Johns Hopkins University; Baltimore Maryland USA