Quality of care before and after initial certification at a German certified hereditary breast and ovarian cancer center. - Amann N; Hörner M; Spannring H; Brückner L; Gocke J; Müller C; Boesl C; Bader S; Heindl F; Hack CC; Fasching PA; Beckmann MW; et al. (Journal of cancer research and clinical oncology, 2025)