1 Department of Rheumatology, Hospital Universitario de Bellvitge. Bellvitge Biomedical Research Institute (IDIBELL), Feixa Llarga, s/n, Hospitalet de Llobregat, Barcelona, 08907, Spain. fjnarvaez@bellvitgehospital.cat.
2 Department of Rheumatology, Hospital Cl?nico, Universitario Lozano Blesa, Zaragoza, Spain.
3 Department of Rheumatology. Hospital, Universitario de la Santa Creu i Sant Pau, Barcelona, Spain.
4 Department of Rheumatology. Hospital, Universitario Dr Peset, Valencia, Spain.
5 Interstitial Lung Disease Unit, Department of Pneumology. Hospital, Universitario de Bellvitge. Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain.
6 Department of Rheumatology, Hospital Universitario de Bellvitge. Bellvitge Biomedical Research Institute (IDIBELL), Feixa Llarga, s/n, Hospitalet de Llobregat, Barcelona, 08907, Spain.