Authorship contributions
Jing Liu carried out the initial analyses and drafted the initial manuscript; Yuelun Zhang checked the initial analyses and revised the manuscript; Juan Xiao designed the study and revised the manuscript; Hongmei Song, Mingsheng Ma, Zhuo Li, and Lejia Zhang critically reviewed the manuscript for important intellectual content; Yuqing Song, Zichao Lyu, and Yixiu Lu coordinated, supervised data collection, and provided statistical support.