1. National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
2. Hunan Provincial Chest hospital, Tuberculosis Control Institution of Hunan province, Changsha, Hunan, China
3. National Tuberculosis Reference Laboratory, Chinese Center for Disease Control and Prevention, Beijing, China
4. Shenzhen Third People’s Hospital, Shenzhen City, Guangdong, China
5. Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China