Development of New Juvenile Arthritis Disease Activity Score Cut-Offs for Oligoarthritis and RF-Negative Polyarthritis from a Large Multinational Cohort of Children with Juvenile Idiopathic Arthritis

Consolaro, Alessandro; Van Dijkhuizen, Pieter; Espada, Graciela; Varbanova, Boriana; Oliveira-Knupp, Sheila; Miettunen, Paivi; Chedeville, Gaelle; Hofer, Michael; Dolezalova, Pavla; Foeldvari, Ivan; Horneff, Gerd; Estmann, Anne; Pruunsild, Chris; Merino, Rosa; Penades, Inmaculada Calvo; del Castillo, Pablo Mesa; Lahdenne, Pekka; Ioseliani, Maka; Trachana, Maria; Vougiouka, Olga; Harjacek, Miroslav; Orban, Ilonka; Constantin, Tamas; Shafaie, Nahid; Panaviene, Violeta Vladislava; Rygg, Marite; Smolewska, Elzbieta; Gomes, Jose Antonio Melo; Vojinovic, Jelena; Alexeeva, Ekaterina; Avcin, Tadej; Vargova, Veronika; Ayaz, Nuray Aktay; Kasapcopur, Ozgur; Boyko, Yaryna; Ringold, Sarah; Rinaldi, Mariangela; Garrone, Marco; Ruperto, Nicolino; Ravelli, Angelo