Development and validation of a patient-reported outcome measure for systemic sclerosis : the EULAR Systemic Sclerosis Impact of Disease (ScleroID) questionnaire
OBJECTIVES: Patient-reported outcome measures (PROMs) are important for clinical practice and research. Given the high unmet need, our aim was to develop a comprehensive PROM for systemic sclerosis (SSc), jointly with patient experts. METHODS: This European Alliance of Associations for Rheumatology (EULAR)-endorsed project involved 11 European SSc centres. Relevant health dimensions were chosen an