Kool, M. B., van de Schoot, R., Lopez-Chicheri Garcia, I., Mewes, R., Da Silva, J. A. P., Vangronsveld, K., Wismeijer, A. A. J., Lumley, M. A., van Middendorp, H., Bijlsma, J. W. J., Crombez, G., Rief, W., & Geenen, R. (2014). Measurement invariance of the Illness Invalidation Inventory (3*I) across language, rheumatic disease and gender. Annals of the Rheumatic Diseases, 73(3), 551-556.