Development and initial validation of parent and child versions of the Juvenile Arthritis Disease Activity Score. - Naddei, Roberta; Ridella, Francesca; Bovis, Francesca; Trincianti, Chiara; Avrusin, Ilia; Januskeviciute, Giedre; Burrone, Marco; Rebollo-Giménez, Ana; Minden, Kirsten; Ekelund, Maria; Barone, Patrizia; Rumba-Rozenfelde, Ingrida; et al. (Rheumatology, 2025)