Correction: Endoplasmic reticulum stress in the salivary glands of patients with primary and associated Sjögren’s disease, and non-Sjögren’s sicca syndrome: a comparative analysis and the influence of chloroquine - Graziela Vieira Cavalcanti; Fabiola Reis de Oliveira; Rafael Ferraz Bannitz; Natalia Aparecida de Paula; Ana Carolina Fragoso Motta; Eduardo Melani Rocha; John Chiorini; Hilton Marcos Alves Ricz; Denny Marcos Garcia; Maria Cristina Foss-Freitas; Luiz Carlos Conti de Freitas (Advances in Rheumatology)