Fig. 1From: The effect of a locally tailored intervention on the uptake of preconception care in the Netherlands: a stepped-wedge cluster randomized trial (APROPOS-II study)Timetable and flowchart of the participantsLegend: W = working conference; C = campaign week; B = booster session; dashed line = originally planned campaign week but postponed due to the COVID-19 pandemicBack to article page