Kullab, J., Schielein, M.C., Stuhlmann, C.F., Tizek, L., Wecker, H., Kain, A., Biedermann, T. and Zink, A. 2023. Out-of-Pocket Costs in Alopecia Areata: A Cross-Sectional Study in German-speaking Countries. Acta Dermato-Venereologica. 103, (Jan. 2023), adv00838. DOI:https://doi.org/10.2340/actadv.v103.4441.