High-dose chemotherapy for patients with stage III breast cancer with homologous recombination deficiency: a discrete choice experiment among healthcare providers oleh Joost G.E. Verbeek, Leyla Azarang, Luis E. Pilli, Vincent M.T. de Jong, Agnes Jager, Sabine C. Linn, Valesca P. Retèl, Wim H. van Harten