Determining optimal outcome measures in a trial investigating no routine gastric residual volume measurement in critically ill children - Tume, L; Arch, B; Woolfall, K; Roper, L; Deja, E; Jones, A; Latten, L; Eccleston, H; Nazima, P; Preston, J; Beissel, A; Andrzejewska, I; et al. (Journal of Parenteral and Enteral Nutrition, 2021)