Additional file 1: of Challenges of conducting research in long-term care facilities: a systematic review LamHelen ChowSelina TaylorKate ChowRonald LamHenry BoninKatija RowbottomLeigha HerrmannNathan 2018 Search strategies used in Ovid MEDLINE, Embase, Cochrane Central Register of Controlled Trials, PsycInfo & CINAHL. (DOCX 15 kb)