1. Department of Autoimmune Diseases, ICMiD, Hospital Clínic, and Department of Medicine, University of Barcelona, Barcelona, Spain (M.R.)
2. Department of Medicine, University of Barcelona; Primary Healthcare Transversal Research Group, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS); and Primary Care Centre Les Corts, Consorci d’Atenció Primària de Salut Barcelona Esquerra (CAPSBE), Barcelona, Spain (A.S.)