Competing interests
R.G.J. reports consultancy fees in past three years from: AbbVie, AdAlta, Apollo Therapeutics, Arda Therapeutics, Astra Zeneca, Bristol Myers Squibb, Chiesi, Cohbar, Contineum Therapeutics, Galecto, GlaxoSmithKline, Mediar Therapeutics, Ono, Orion, RedX, Syndax, Pliant and PureTech; and lecture fees from: AstraZeneca, Boehringer Ingelheim, Chiesi, Gilead and Roche. He is president of Action for Pulmonary Fibrosis and the editor-in-chief of BMJ Open Respiratory Research.