The International/Canadian hereditary angioedema guideline. - Betschel S; Binkley K; Borici-Mazi R; Chapdelaine H; Hébert J; Kanani A; Keith PK; Lacuesta G; Waserman S; Yang W; Palda V; Lang-Robertson K; et al. (Allergy, asthma, and clinical immunology : official journal of the Canadian Society of Allergy and Clinical Immunology, 2026)