1. From the Rheumatology Service (N.B., C.P.-S., P.R.-L., C.C.-V., M.A.A., R.C., Y.J.-G., M.S., A.R.-A., E.C.-E., A.E., C.L.-P.) and Radiology Service (P.S.), Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/Reina Sofia University Hospital, Cordoba, Spain; and Department of Biomedical Sciences and Centre of Excellence for Biotechnology, Development and Biodiversity Research, University of Sassari, Italy (M.S.).