The funding information was listed incorrectly in the above online publication (Gong et al., Reference Gong, Zhang, Ma, Liu and Zhao2018). The correct funding information is provided below:
This research was supported by grants from the Ministry of Education of Humanities and Social Science Research youth fund project (18YJC630038), the National Natural Science Foundation Youth Science Fund of China (71801120), and Shandong Social Science Planning Fund Program (18DGLJ02).
We apologize to the authors and readers for this error.