AUTHOR CONTRIBUTIONS
Xuan Wang, Fang Yang, and Wen Jiang designed the study. Xuan Wang, Yuan‐Yuan Wang, Qiong Gao, Yao‐Yao Zhang, Chang‐Geng Song, and Jing‐Ya Wei, collected the data. Xuan Wang, Yuan‐Yuan Wang, Jian Wan and Wen Jiang analyzed the data. Chang‐Geng Song and Xiao‐Gang Kang revised the statistical analyses. Xuan Wang wrote the paper. Fang Yang and Wen Jiang revised the paper. All the authors approved the final version of the manuscript.