Chavatza, K. Kostopoulou, M. Nikolopoulos, D. Gioti, O. Togia, K. Andreoli, L. Aringer, M. Boletis, J. Doria, A. Houssiau, F.A. Jayne, D. Mosca, M. Svenungsson, E. Tincani, A. Bertsias, G. Fanouriakis, A. Boumpas, D.T., Quality indicators for systemic lupus erythematosus based on the 2019 EULAR recommendations: Development and initial validation in a cohort of 220 patients, Annals of the Rheumatic Diseases, (80), 1175-1182, 2021, BMJ Publishing Group, 0003-4967, 1468-2060