Bulathsinhala, L. Eleangovan, N. Heaney, L.G. Menzies-Gow, A. Gibson, P.G. Peters, M. Hew, M. van Boven, J.F.M. Lehtimäki, L. van Ganse, E. Belhassen, M. Harvey, E.S. Perez de Llano, L. Maitland-van der Zee, A.H. Papadopoulos, N.G. FitzGerald, J.M. Porsbjerg, C. Canonica, G.W. Backer, V. Rhee, C.K. Verhamme, K.M.C. Buhl, R. Cosio, B.G. Carter, V. Price, C. Le, T. Stagno d'Alcontres, M. Gopalan, G. Tran, T.N. Price, D., Development of the International Severe Asthma Registry (ISAR): A Modified Delphi Study, The Journal of Allergy and Clinical Immunology: In Practice, (7), 578-588.e2, 2019, American Academy of Allergy, Asthma and Immunology, 2213-2198