Arch Bronconeumol 2020 Sep 28. Epub 2020 Sep 28.
Pneumology Department, Hospital Universitari Vall d́Hebron, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus. CIBER de Enfermedades Respiratorias (CIBERES), Barcelona, Spain; Medicine Department, Autonomous University of Barcelona (UAB), Bellaterra (Cerdanyola del Vallés), Barcelona, Spain. Electronic address: