Kuipers, Y., Bleijenbergh, R., Van den Branden, L., van Gils, Y., Rimaux, S., Brosens, C., Claerbout, A. & Mestdagh, E. 2022, 'Psychological health of pregnant and postpartum women before and during the COVID-19 Pandemic', PLOS ONE, 17(4), article no: e0267042. https://doi.org/10.1371/journal.pone.0267042