Objectively measured physical activity and its influence on physical capacity and clinical parameters in patients with primary Sjögren's syndrome - Dassouki, T; Benatti, Fabiana Braga; Pinto, A. J; Roschel, Hamilton; Lima, F. R.; Augusto, K; Pasoto, Sandra Gofinet; Pereira, Rosa Maria Rodrigues; Gualano, Bruno; Sá Pinto, A. L (Lupus, 2017)