Accuracy of a New Algorithm to Identify Asthma–COPD Overlap (ACO) Patients in a Cohort of Patients with Chronic Obstructive Airway Disease Luis Pérez de Llano, Borja G. Cosío, Marc Miravitlles, Vicente Plaza

Global Initiative for Asthma Strategy 2021. Executive Summary and Rationale for Key Changes Helen K. Reddel, Leonard B. Bacharier, Eric D. Bateman, Christopher E. Brightling, Guy G. Brusselle, Roland Buhl, Alvaro A. Cruz, Liesbeth Duijts, Jeffrey M. Drazen, J. Mark FitzGerald, Louise J. Fleming, Hiromasa Inoue, Fanny W. Ko, Jerry A. Krishnan, Mark L. Levy, Jiangtao Lin, Kevin Mortimer, Paulo M. Pitrez, Aziz Sheikh, Arzu A. Yorgancioglu, Louis-Philippe Boulet

GOLD Staging System is Appropriate to Predict Mortality in Older People With Chronic Obstructive Pulmonary Disease Claudio Pedone, Renato Giua, Nicola Scichilone, Vincenzo Bellia, Raffaele Antonelli-Incalzi