Corrigendum to "Sex hormone measurements using mass spectrometry and sensitive extraction radioimmunoassay and risk of estrogen receptor negative and positive breast cancer: Case control study in UK Collaborative Cancer Trial of Ovarian Cancer Screening (UKCTOCS)" [Steroids 110 (2016) 62-69]

Affiliations

• ¹ Women's Cancer, Institute for Women's Health, University College London, London, UK.
• ² Specialist Laboratory Medicine, St James's University Hospital, Leeds, UK. Electronic address: Helen.Field@nhs.net.
• ³ Specialist Laboratory Medicine, St James's University Hospital, Leeds, UK. Electronic address: Julian.Barth@nhs.net.
• ⁴ University of New South Wales, Sydney, NSW 2052, Australia.
• ⁵ Department of Mathematics, University College London, London, UK; Women's Cancer, Institute for Women's Health, University College London, London, UK. Electronic address: alexey.zaikin@ucl.ac.uk.
• ⁶ Department of Clinical Biochemistry, University College London Hospitals NHS Foundation Trust, London, UK.
• ⁷ Women's Cancer, Institute for Women's Health, University College London, London, UK. Electronic address: u.menon@ucl.ac.uk.