title: Reply to L. Zong et al.
authors: Nanfang Hospital, Southern Medical University, Guangzhou, China.
authors: Xiaolong
authors: X
authors: Qi
authors: Nanfang Hospital, Southern Medical University, Guangzhou, China.
authors: Yanfeng
authors: Y
authors: Hu
authors: Nanfang Hospital, Southern Medical University, Guangzhou, China.
authors: Hao
authors: H
authors: Liu
authors: Nanfang Hospital, Southern Medical University, Guangzhou, China.
authors: Jiang
authors: J
authors: Yu
authors: Nanfang Hospital, Southern Medical University, Guangzhou, China.
authors: Guoxin
authors: G
authors: Li