Choi, K., Kim, H., Basu, A., Kwong, A., Hernandez-Diaz, S., Wyszynski, D. & Koenen, K. 2021, 'COVID-19 perceived impacts on sleep, fitness, and diet and associations with mental health during pregnancy: A cross-national study', Journal of Affective Disorders Reports, 7, article no: 100288. https://doi.org/10.1016/j.jadr.2021.100288