Shaw, D. E., Sousa, A. R., Fowler, S. J., Fleming, L. J., Roberts, G., Corfield, J., Pandis, I., Bansal, A. T., Bel, E. H., Auffray, C., Compton, C. H., Bisgaard, H., Bucchioni, E., Caruso, M., Chanez, P., Dahlen, B., Dahlen, S.-E., Dyson, K., Frey, U., Geiser, T., …Chung, K. F. (2015). Clinical and inflammatory characteristics of the European U-BIOPRED adult severe asthma cohort. European Respiratory Journal, 46(5), 1308-1321. https://doi.org/10.1183/13993003.00779-2015