Data management will be done by project manager Anna Thit Johnsen. Analyses will be made by statistician Morten Aa. Petersen, who is blinded to the identity of the two intervention groups, which will be denoted Y and X. Results will be presented blinded in the same way for the investigators, and conclusions regarding the results will be drawn by the investigators and written down while the interventions are still blinded. The blinding will not be broken before all analyses of primary and secondary outcomes have been conducted.