E. Tseli, L. Vixner, R. LoMartire, W. J.A. Grooten, B. Gerdle, and B. O. Äng, “Prognostic factors for improved physical and emotional functioning one year after interdisciplinary rehabilitation in patients with chronic pain: Results from a national quality registry in Sweden”, JRM, vol. 52, no. 2, pp. 1–10, Feb. 2020.