Validation of the HAQ-UP-A (Health Assessment Questionnaire-Upper Limbs-Argentine Version) in patients with rheumatoid arthritis Juan Manuel Bande, Silvia Beatriz Papasidero, María Alejandra Medina, María Julia Santa Cruz, Diana Silvia Klajn, José Angel Caracciolo, Julieta Giantinoto, Florencia Pelagagge, María Gabriela Battaglia

Adaptation and validation of the Rheumatoid Arthritis Quality of Life Scale (RAQoL) to Mexican Spanish César Pacheco-Tena, Greta Reyes-Cordero, Stephen P. Mckenna, Víctor A. Ríos-Barrera

Spanish cross-cultural adaptation and psychometric validation of the graded chronic pain scale revised for fibromyalgia José Édgar Ferrández-Gómez, Mariano Gacto-Sánchez, Aitor Baño-Alcaraz