SinoMedJoanna Briggs InstitutePubMedCNKIClinicalTrials.govWanfang DatabaseProQuest Dissertations & Theses GlobalCENTRALEmbasecancer+3 more
…mate, CENTRAL (Cochrane Central Register of Controlled Trials), SinoMed, CNKI (China National Knowledge Infrastructure) and Wanfang Dat…