Early estimation of the case fatality rate of COVID-19 in mainland China: a data-driven analysis

Shu Yang, Peihua Cao, Peipei Du, Ziting Wu, Zian Zhuang, Lin Yang, Xuan Yu, Qi Zhou, Xixi Feng, Xiaohui Wang, Weiguo Li, Enmei Liu, Ju Chen, Yaolong Chen, Daihai He, on behalf of COVID-19 evidence and recommendations working group