Author Roles
Jing Peng: study design, data analysis, interpretation and manuscript writing
Ying Chen: study design, data abstraction and manuscript writing
Sheng Wan: data acquisition and interpretation
Tianfan Zhou: data acquisition, data interpretation and manuscript revision
Yu-Sin Chang: critical manuscript revision
Xiaobo Zhao: study design, data interpretation and manuscript revision
Xiaolin Hua: study design, data analysis, data interpretation and manuscript revision