Correspondence on 'Prevalence and clinical outcomes of COVID-19 in patients with autoimmune diseases: a systematic review and meta-analysis'

Affiliations

• ¹ Department of Medical and Surgical Sciences, Division of Rheumatology, Fondazione Policlinico Universitario A Gemelli IRCCS, Rome, Italy.
• ² Institute of Rheumatology, Università Cattolica del Sacro Cuore.
• ³ Department of Radiology, Palmanova Hospital, Palmanova, Friuli Venezia Giulia, Italy.
• ⁴ Emergency Department, Palmanova Hospital, Palmanova, Friuli Venezia Giulia, Italy.
• ⁵ Department of Medical and Surgical Sciences, Division of Rheumatology, Catholic University of the Sacred Heart, Rome, Lazio, Italy gianfranco.ferraccioli@unicatt.it.