Walsh, S. L., Maher, T. M., Kolb, M., Poletti, V., Nusser, R., Richeldi, L., Vancheri, C., Wilsher, M. L., Antoniou, K. M., Behr, J., Bendstrup, E., Brown, K., Calandriello, L., Corte, T. J., Cottin, V., Crestani, B., Flaherty, K., Glaspole, I., Grutters, J., Inoue, Y., …Wells, A. (2017). Diagnostic accuracy of a clinical diagnosis of idiopathic pulmonary fibrosis: An international case-cohort study. European Respiratory Journal, 50(2), Article 1700936. https://doi.org/10.1183/13993003.00936-2017