Quality certification standard proposal ⬓SpACE⬽ for axial spondyloarthritis treatment units Emilio Ignacio García, Jimmy Martin-Delgado, Ruben Queiro, José Javier Pérez Venegas, Jordi Gratacos, Jesús Sanz, Antonio Torrés, José Joaquín Mira

Prevalence of hidradenitis suppurativa in patients with axial spondyloarthritis Laura Farran Ortega, Rosa Fornons-Servent, Joan Miquel Nolla, Xavier Juanola Roura

Remission in axial spondyloarthritis: Developing a consensus definition Cristina Fernández-Carballido, Eduardo Collantes-Estévez, Jordi Gratacós, Xavier Juanola, Pedro Zarco