PRISMA extension for Scoping Reviews (PRISMA-ScR): Checklist and explanation - Tricco, A C; Lillie, E; Zarin, W; OʼBrien, K K; Colquhoun, H; Levac, D; Moher, D; Peters, M DJ; Horsley, T; Weeks, L; Hempel, S; Akl, E A; Chang, C; McGowan, J; Stewart, L; Hartling, L; Aldcroft, A; Wilson, M G; Garritty, C; Lewin, S; Godfrey, C M; Macdonald, M T; Langlois, E V; Soares-Weiser, K; Moriarty, J; Clifford, T; Tunçalp, Ö; Straus, S E (Ann Intern Med, 2018)