1. Xixiang Preventive Health Care Center of Baoan District, Shenzhen, Guangdong Province, People’s Republic of China
2. Office of Infectious Disease Control, Changsha Center for Disease Control and Prevention, Changsha, Hunan, People’s Republic of China
3. Division of Public Health, School of Medicine, University of Utah, 201 Presidents Circle, Salt Lake City, UT, USA
4. State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, Xiamen, Fujian Province, People’s Republic of China
5. Department of Nephrology, the Second Affiliated Hospital of Xiamen Medical College, Xiamen, Fujian, China
6. Shenzhen Center for Disease Control and Prevention, Shenzhen, Guangdong Province, People’s Republic of China