Clinical Performance of the Xpert® CT/NG Test for Detection of Chlamydia trachomatis and Neisseria gonorrhoeae: A Multicenter Evaluation in Chinese Urban Hospitals mā Yan Han, Yan Han, Mei-Qin Shi, Mei-Qin Shi, Qing-Ping Jiang, Wen-Jing Le, Xiao-Lin Qin, Han-Zhen Xiong, He-Ping Zheng, Fred C. Tenover, Yi-Wei Tang, Yue-Ping Yin, Yue-Ping Yin