Authors: Ning Liang; De Zhao Kong; Si Si Ma; Chun Li Lu; Ming Yang; Lu Da Feng; Chen Shen; Ruo Han Diao; Ling Jun Cui; Xing Yu Lu; Dimitrinka Nikolova; Janus C Jakobsen; Christian Gluud; Jian Ping Liu Journal: Cochrane Database Syst Rev Date: 2019-04-03