[Rheumatological care of older people : Annual report 2026 from the National Database of the regional Collaborative Arthritis Centers]. - Albrecht K; Thiele K; Alexander T; Aringer M; Detert J; Eidner T; Feuchtenberger M; Henes J; Karberg K; Kiltz U; Köhler B; Schneider U; et al. (Zeitschrift fur Rheumatologie, 2026)