Incidence and risk factors of tuberculosis in systemic lupus erythematosus patients: a multi-center prospective cohort study oleh Lifan Zhang, Lifan Zhang, Lifan Zhang, Xiaoqing Zou, Nan Jiang, Lantian Xie, Jianghao Liu, Zhengrong Yang, Qifei Cao, Chunlei Li, Xiaochuan Sun, Fengchun Zhang, Yan Zhao, Xiaofeng Zeng, Xiaochun Shi, Xiaochun Shi, Xiaoqing Liu, Xiaoqing Liu, Xiaoqing Liu, Xiaoqing Liu, for the ETHERTB study team