Spondyloarthritis

Murat Torgutalp, Valeria Rios Rodriguez, Ani Dilbaryan, Fabian Proft, Mikhail Protopopov, Maryna Verba, Judith Rademacher, Hildrun Haibel, Joachim Sieper, Martin Rudwaleit, Denis Poddubnyy

Sjef M van der Linden, Muhammad Asim Khan, Zhixiu Li, Heinz Baumberger, Hermine van Zandwijk, Kazim Khan, Peter M Villiger, Matthew A Brown

Elana Meer, Joseph F Merola, Robert Fitzsimmons, Thorvardur Jon Love, Shiyu Wang, Daniel Shin, Yong Chen, Sharon Xie, Hyon Choi, Yuqing Zhang, Jose U Scher, C T Ritchlin, Joel M Gelfand, Alexis Ogdie

Anna Molto, Clementina López-Medina, Filip E Van den Bosch, Annelies Boonen, Casper Webers, Emanuelle Dernis, Floris A van Gaalen, Martin Soubrier, Pascal Claudepierre, Athan Baillet, Mirian Starmans-Kool, Anneke Spoorenberg, Peggy Jacques, Philippe Carron, Rik JoosSee the full list of authors

Ulf Lindström, Karin Bengtsson, Tor Olofsson, Daniela Di Giuseppe, Bente Glintborg, Helena Forsblad-d'Elia, Lennart T H Jacobsson, Johan Askling

Zhixiu Li, Xin Wu, Paul J Leo, Erika De Guzman, Nurullah Akkoc, Maxime Breban, Gary J Macfarlane, Mahdi Mahmoudi, Helena Marzo-Ortega, Lisa K Anderson, Lawrie Wheeler, Chung-Tei Chou, Andrew A Harrison, Simon Stebbings, Gareth T JonesSee the full list of authors

Robert BM Landewé, Lianne S Gensler, Denis Poddubnyy, Proton Rahman, Maja Hojnik, Xiaoqi Li, Soyi Liu Leage, David Adams, Hilde Carlier, Filip Van den Bosch, , on behalf of the COAST-Y study group, Federico Javier Ariel, Alberto Berman, Judith CarrioSee the full list of authors

Atul Deodhar, Paula Sliwinska-Stanczyk, Huji Xu, Xenofon Baraliakos, Lianne S Gensler, Dona Fleishaker, Lisy Wang, Joseph Wu, Sujatha Menon, Cunshan Wang, Oluwaseyi Dina, Lara Fallon, Keith S Kanik, Désirée van der Heijde

James Cheng-Chung Wei, Tae-Hwan Kim, Mitsumasa Kishimoto, Naoki Ogusu, Haeyoun Jeong, Shigeto Kobayashi, , 4827-006 study group, Kurisu Tada, Mitsumasa Kishimoto, Kou Katayama, Atsuo Taniguchi, Yohei Seto, Mitsuhiro Morita, Kazuhiro HattaSee the full list of authors

Zihao Li, Siwen Chen, Haowen Cui, Xiang Li, Dongying Chen, Wenjun Hao, Jianru Wang, Zemin Li, Zhaomin Zheng, Zhongping Zhang, Hui Liu