Development and evaluation of a de-escalation training intervention in adult acute and forensic units: the EDITION systematic review and feasibility trial oleh Owen Price, Cat Papastavrou Brooks, Isobel Johnston, Peter McPherson, Helena Goodman, Andrew Grundy, Lindsey Cree, Zahra Motala, Jade Robinson, Michael Doyle, Nicholas Stokes, Christopher J Armitage, Elizabeth Barley, Helen Brooks, Patrick Callaghan, Lesley-Anne Carter, Linda M Davies, Richard J Drake, Karina Lovell, Penny Bee