Table of contents

Letters

• The world-wide burden of musculoskeletal diseases: a systematic analysis of the World Health Organization Burden of Diseases Database (15 April, 2019)

  Eden Sebbag, Renaud Felten, Flora Sagez, Jean Sibilia, Hervé Devilliers, Laurent Arnaud
• Comparisons of hepatitis C viral replication in patients with rheumatoid arthritis receiving tocilizumab, abatacept and tofacitinib therapy (3 January, 2019)

  Yi-Ming Chen, Wen-Nan Huang, Tsai-Ling Liao, Jun-Pen Chen, Sheng-Shun Yang, Hsin-Hua Chen, Tsu-Yi Hsieh, Wei-Ting Hung, Yi-Hsing Chen, Der-Yuan Chen
• Reproductive health outcomes in women with psoriatic arthritis (15 February, 2019)

  Kieran Murray, Louise Moore, Fionnuala McAuliffe, Douglas J Veale
• Genetic association of non-MHC region with ankylosing spondylitis in a Chinese population (14 December, 2018)

  Jing Liu, Weilin Pu, Yuan Li, Yanyun Ma, Qi Zhu, Wei Wan, Chengde Yang, Xiaofeng Wang, Xingdong Chen, Xiaodong Zhou, John D Reveille, Li Jin, Hejian Zou, Jiucun Wang
• Revisiting the issue of how to assess pneumococcal vaccine immunogenicity: a post hoc analysis of antipneumococcal antibody responses among adult patients with systemic lupus erythematosus previously immunised with 23-valent pneumococcal polysaccharide vaccine (1 February, 2019)

  Rodrigo Poubel Rezende, Luís Eduardo Coelho Andrade, Evandro Mendes Klumb
• Validity of the Swedish version of the systemic sclerosis quality of life questionnaire (SSCQoL): A novel measure of quality of life for patients with systemic sclerosis (4 January, 2019)

  Gunnel Sandqvist, Roger Hesselstrand
• Evaluation of retinal microvascular perfusion in systemic sclerosis: a case–control study (3 January, 2019)

  Matthias Rothe, Felix Rommel, Sebastian Klapa, Jens Y Humrich, Relana Nieberding, Tanja Lange, Jan A M Sochurek, Pauline Plöttner, Salvatore Grisanti, Gabriela Riemekasten, Mahdy Ranjbar
• Comparison of autoantibody specificities tested by a line blot assay and immunoprecipitation-based algorithm in patients with idiopathic inflammatory myopathies (13 February, 2019)

  Fabricio Espinosa-Ortega, Marie Holmqvist, Helene Alexanderson, Helena Storfors, Tsuneyo Mimori, Ingrid E Lundberg, Johan Rönnelid
• Addressing immune-related adverse events of cancer immunotherapy: how prepared are rheumatologists? (18 January, 2019)

  Marie Kostine, Laura C Cappelli, Cassandra Calabrese, Leonard H Calabrese, Clifton O Bingham, Christophe Richez, Jacques-Eric Gottenberg, Olivier Lambotte
• 3D culture of Erdheim-Chester disease tissues unveils histiocyte metabolism as a new therapeutic target (28 November, 2018)

  Antonello Villa, Daniela Belloni, Barbara Vergani, Simone Cenci, Giulio Cavalli, Riccardo Biavasco, Monica Rodolfo, Maria Giulia Cangi, Claudio Doglioni, Lorenzo Dagna, Elisabetta Ferrero, Marina Ferrarini