Authors: De Zhao Kong; Ning Liang; Guan Lin Yang; Zhe Zhang; Yue Liu; Ye Yang; Yu Xi Liu; Qi Ge Wang; Fan Zhang; Hui Yong Zhang; Dimitrinka Nikolova; Janus C Jakobsen; Christian Gluud; Jian Ping Liu Journal: Cochrane Database Syst Rev Date: 2019-08-22