1. Shenzhen Institute of Respiratory Diseases, The First Affiliated Hospital (Shenzhen People’s Hospital), Southern University of Science and Technology, Shenzhen, China
2. The Second Clinical Medical College of Jinan University (Shenzhen People’s Hospital), Jinan University, Shenzhen, China
3. Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, China
4. Guangxi Provincial Center for Disease Control and Prevention, Nanning, China