Department of Tuberculosis, First People's Hospital of Zigong City, Sichuan Province, Zigong, 643000, China
Junjie Ning
Corresponding author. Department of pediatrics, First People's Hospital of Zigong City, No. 42, Yizhi Road, Sichuan Province, Zigong, 643000, China.; Department of Pediatrics, First People's Hospital of Zigong City, Sichuan Province, Zigong, 643000, China
