Study limitations
COPD, coronavirus disease 2019
COPD, CORONAVIRUS DISEASE 2019
One of the study limitations was the paucity of patients with COPD in the study setting due to the coronavirus disease 2019 pandemic which prolonged the process of sampling. Moreover, the pandemic conditions had required the authorities of the study setting to reduce care services for patients with COPD in order to provide care to patients with coronavirus disease 2019. Besides, among the eligibility criteria in this study were access to the Internet and the ability to use a smartphone, while some FCs of patients with COPD in the study setting did not have access to the Internet or a smartphone.