Evaluation of patients with fibromyalgia. Comparative study of 4 Spanish versions of the Fibromyalgia Impact Questionnaire (FIQ) Joaquim Jordi Esteve Vives, Enrique Batlle Gualda

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

Transcultural adaptation and validation of the Transition Readiness Assessment Questionnaire (TRAQ) into Mexican Spanish Sara G. Rosiles-De la Garza, Ingris Pelaez-Ballestas, Fernando García-Rodríguez, Ana V. Villarreal-Treviño, Elisa L. Dávila-Sotelo, Leonor G. Hinojosa-Amaya, Jesús E. Treviño-Alvarado, Óscar González-Llano, Laura Villarreal-Matínez, Yajaira V. Jiménez-Antolínez, Julia E. Colunga-Pedraza, Nadina E. Rubio-Pérez