Fig. 1From: Double-blind placebo-controlled randomized clinical trial to assess the efficacy of montelukast in mild to moderate respiratory symptoms of patients with long COVID: E-SPERANZA COVID Project study protocolSummary and steps for the E-COVID study. IC, informed consent; CAT, COPD Assessment Test; PCFS, Post-COVID-19 Functional Status Scale; 1MSTS, 1-min sit-to-stand testBack to article page