1 Pulmonology Department, Vila Nova de Gaia/Espinho Hospital Center, R. Conceição Fernandes S/N, Vila Nova de Gaia 4434-502, Portugal. Electronic address: [email protected].
2 ILD Unit, Pulmonology Department, Bellvitge University Hospital-IDIBELL, Spain.
3 ILD Unit, Radiology Department, Bellvitge University Hospital-IDIBELL, Spain.
4 ILD Unit, Pathology Department, Bellvitge University Hospital-IDIBELL, Spain.