Poor agreement of objectively measured and self-reported physical activity in juvenile dermatomyositis and juvenile systemic lupus erythematosus - Pinto, Ana Jéssica; Roschel, Hamilton; Benatti, Fabiana Braga; Pinto, Ana Lúcia de Sá; Sallum, Adriana Maluf Elias; Silva, Clovis Artur Almeida da; Gualano, Bruno (Clinical Rheumatology, 2016)