Pub Date : 2023-09-01DOI: 10.1136/bmjsem-2023-basemconf.2O. O'Sullivan, D. Holdsworth, P. Ladlow, R. Barker-Davies, R. Chamley, A. Houston, S. May, D. Dewson, D. Mills, K. Pierce, J. Mitchell, C. Xie, E. Sellon, J. Naylor, J. Mulae, M. Cranley, N. Talbot, O. Rider, E. Nicol, A. Bennett