1. Guangzhou Center for Disease Control and Prevention, Guangzhou, People’s Republic of China
2. Department of Medical Biochemistry and Molecular Biology, School of Medicine, Jinan University, Guangzhou, People’s Republic of China
3. Beijing Institute of Genomics, Chinse Academy of Sciences and China National Center for Bioinformation, Beijing, People’s Republic of China
4. School of Future Technology, University of Chinese Academy of Sciences, Beijing, People’s Republic of China
5. Chinese PLA Center for Disease Control and Prevention, Beijing, People’s Republic of China