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Jane E Norman, John Norrie, Graeme MacLennan, David Cooper, Sonia Whyte, Sushila Chowdhry, Sarah Cunningham-Burley, Aileen R Neilson, Xue W Mei, Joel BE Smith, Andrew Shennan, Stephen C Robson, Steven Thornton, Mark D Kilby, Neil Marlow, Sarah J Stock, Philip R Bennett & Jane Denton.

Jane E Norman ^1,*, John Norrie ², Graeme MacLennan ³, David Cooper ³, Sonia Whyte ⁴, Sushila Chowdhry ⁵, Sarah Cunningham-Burley ⁵, Aileen R Neilson ⁵, Xue W Mei ⁶, Joel BE Smith ⁶, Andrew Shennan ⁷, Stephen C Robson ⁸, Steven Thornton ⁹, Mark D Kilby ¹⁰, Neil Marlow ¹¹, Sarah J Stock ⁵, Philip R Bennett ¹², Jane Denton ¹³

¹ Faculty of Health Sciences, University of Bristol, Bristol, UK
² Edinburgh Clinical Trials Unit, University of Edinburgh, Edinburgh, UK
³ Centre for Healthcare Randomised Trials, University of Aberdeen, Aberdeen, UK
⁴ Tommy’s Centre for Maternal and Fetal Health, MRC Centre for Reproductive Health, University of Edinburgh, Edinburgh, UK
⁵ Usher Institute, University of Edinburgh, Edinburgh, UK
⁶ Health Economics Research Centre, Nuffield Department of Population Health, University of Oxford, Oxford, UK
⁷ Tommy’s London Research Centre, King’s College London, London, UK
⁸ Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
⁹ Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
¹⁰ Fetal Medicine Centre, Birmingham Women’s and Children’s NHS Foundation Trust and College of Medical and Dental Science, University of Birmingham, Birmingham, UK
¹¹ Institute for Women’s Health, University College London, London, UK
¹² Department of Surgery and Cancer, Imperial College London, London, UK
¹³ The Multiple Births Foundation, London, UK
^* Corresponding author Email: jane.e.norman@bristol.ac.uk