Erratum: Correction to: Risk-reducing salpingo-oophorectomy, natural menopause, and breast cancer risk: an international prospective cohort of BRCA1 and BRCA2 mutation carriers (Breast cancer research : BCR (2020) 22 1 (8)) : Risk-reducing salpingo-oophorectomy, natural menopause, and breast cancer risk: An international prospective cohort of BRCA1 and BRCA2 mutation carriers (Breast Cancer Res (2020) 22 (8) DOI: 10.1186/s13058-020-1247-4)