1. Department of Epidemiology, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, Guangdong, China.
2. Xiamen Center for Disease Control and Prevention, Xiamen, China.
3. Guangzhou Yuexiu Center for Disease Control and Prevention, Guangzhou, Guangdong, China.
4. State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China.
5. Department of Bioinformatics, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.