Affiliation: | (1) Research Unit in Systemic Autoimmune Diseases, Vall d’Hebron Research Institute, Vall d’Hebron Hospital, Autonomous University of Barcelona, Barcelona, Spain;(2) Research Unit in Systemic Autoimmune Diseases, Vall d’Hebron Research Institute, Vall d’Hebron Hospital, Passeig Vall d’Hebron 119–129, 08035 Barcelona, Spain |