Study protocol for ELders AT Ease (ELATE): a cluster randomised controlled trial of cognitive behaviour therapy to reduce depressive symptoms in aged care residents oleh Sunil Bhar, Tanya E. Davison, Penelope Schofield, Stephen Quinn, Julie Ratcliffe, Joanna M. Waloszek, Sofie Dunkerley, Mark Silver, Jennifer Linossier, Deborah Koder, Rebecca Collins, Rachel Milte