Mixed methods implementation research of cognitive stimulation therapy (CST) for dementia in low and middle-income countries: study protocol for Brazil, India and Tanzania (CST-Int... oleh Aimee Spector, Martin Knapp, Charlotte R Stoner, Mina Chandra, Sridhar Vaitheswaran, Bharath Du, Adelina Comas-Herrera, Catherine Dotchin, Cleusa Ferri, Jerson Laks, Daniel C Mograbi, Martin William Orrell, Stella-Maria Paddick, Shaji KS, Thara Rangawsamy, Richard Walker