A pragmatic randomized controlled trial of multi-dose oral ondansetron for pediatric gastroenteritis (the DOSE-AGE study): statistical analysis plan oleh Anna Heath, Juan David Rios, Sarah Williamson-Urquhart, Petros Pechlivanoglou, Martin Offringa, Christopher McCabe, Gareth Hopkin, Amy C. Plint, Andrew Dixon, Darcy Beer, Serge Gouin, Gary Joubert, Terry P. Klassen, Stephen B. Freedman, on behalf of the PERC-KIDSCAN DOSE-AGE Study Group