Impact of the COVID-19 pandemic on diagnosis, stage, and initial treatment of breast cancer in the Netherlands: a population-based study oleh Anouk H. Eijkelboom, Linda de Munck, Marie-Jeanne T. F. D. Vrancken Peeters, Mireille J. M. Broeders, Luc J. A. Strobbe, Monique E. M. M. Bos, Marjanka K. Schmidt, Cristina Guerrero Paez, Marjolein L. Smidt, Maud Bessems, Janneke Verloop, Sabine Linn, Marc B. I. Lobbes, Aafke H. Honkoop, Desirée H. J. G. van den Bongard, Pieter J. Westenend, Jelle Wesseling, C. Willemien Menke-van der Houven van Oordt, Vivianne C. G. Tjan-Heijnen, Sabine Siesling, the NABON COVID-19 Consortium and the COVID and Cancer-NL Consortium