Prevalence and risk factors of mental distress in China during the outbreak of COVID‐19: A national cross‐sectional survey oleh Mindan Wu, Huanqin Han, Tingkui Lin, Min Chen, Jun Wu, Xufei Du, Guomei Su, Dong Wu, Fagui Chen, Qichuan Zhang, Hailin Zhou, Dan Huang, Bin Wu, Jiayuan Wu, Tianwen Lai