One of the affiliations for an author of this article was omitted in error. The affiliations for Marta Hernández were listed as the Interstitial Lung Disease Unit, Respiratory Department, Bellvitge University Hospital, L'Hospitalet de Llobregat, Barcelona, Spain, and Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain. In addition, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Barcelona, Spain should also have been attributed to this author.
The article has been corrected and republished online.