Cushnan, D., Bennett, O., Berka, R., Bertolli, O., Chopra, A., Dorgham, S., Favaro, A., Ganepola, T., Halling-Brown, M., Imreh, G., Jacob, J., Jefferson, E., Lemarchand, F., Schofield, D., Wyatt, J. & NCCID Collaborative 2021, 'An overview of the National COVID-19 Chest Imaging Database: data quality and cohort analysis', GigaScience, 10(11), article no: giab076. https://doi.org/10.1093/gigascience/giab076