The authors have corrected Table 2 to note that estimates from the study by Boulet et al. (ref 40) are between two post-fortification periods, not between pre- and post-fortification
Table 2 Description of the studies assessing the impact of flour fortification with folic acid on the prevalence of NTD

†Estimates from the study by Boulet et al. are between two post-fortification periods, not between pre- and post-fortification.