Late Breaking Abstract - International, prospective real-world study of mepolizumab in patients with severe asthma at one year: REALITI-A - Pilette, Charles; Canonica, Giorgio Walter; Chaudhuri, Rekha; Lee, F Eun-Hyung; Lee, Jason Kihyuk; Almonacid Sanchez, Carlos; Alfonso-Cristancho, Rafael; Jakes, Rupert; Maxwell, Aoife; Price, Robert; Howarth, Peter (European Respiratory Journal, 2021)