P. Theut Riis, G. R. Vinding, H. Christian Ring, and G. B. Jemec, “Disutility in Patients with Hidradenitis Suppurativa: A Cross-sectional Study Using EuroQoL-5D”, Acta Derm Venereol, vol. 96, no. 2, pp. 222–226, Sep. 2015.