Experiences of participant and public involvement in an international randomized controlled trial for people living with dementia and their informal caregivers oleh Jodie Bloska, Sarah Crabtree, Nina Wollersberger, Oti Mitchell, Jenny Coles, Caroline Halsey, Geraldine Parry, Robert Stewart, Susan Thacker, Mark Thacker, Leica Claydon-Mueller, Yvette Winnard, Kate McMahon, Carina Petrowitz, Agnieszka Smrokowska-Reichmann, Beatrix van Doorn, Felicity A. Baker, Laura Blauth, Anna A. Bukowska, Karette Stensæth, Jeanette Tamplin, Thomas Wosch, Helen Odell-Miller