After asthma: redefining airways diseases. Issue 10118 (27th January 2018) - Pavord, Ian D; Beasley, Richard; Agusti, Alvar; Anderson, Gary P; Bel, Elisabeth; Brusselle, Guy; Cullinan, Paul; Custovic, Adnan; Ducharme, Francine M; Fahy, John V; Frey, Urs; Gibson, Peter; et al.