1. Beijing Changping Institute for Tuberculosis Prevention and Treatment, Beijing, China.
2. State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Chinese Center for Disease Control and Prevention, Beijing, China.
3. Department of Biochemistry and Molecular Biology, Guangxi Medical University, Nanning, China.
4. Tongzhou District Center for Disease Control and Prevention, Beijing, China.