Elective freezing of embryos versus fresh embryo transfer in IVF : a multicentre randomized controlled trial in the UK (E-Freeze)

Acknowledgements The authors thank the independent Trial Steering Committee (Richard Anderson, Umesh Acharya, Kate Brian, Gwenda Burns, Aileen Feeney, Helen Kendrew and Lee Middleton) and the independent Data Monitoring Committee (Anthony Rutherford, Elizabeth Allen, Paul Knaggs and Gillian Lockwood). The authors would also thank all couples who participated in this trial and all the clinic staff who worked on the trial. Funding This study was funded by the National Institute for Health Research (NIHR) Health Technology Assessment (HTA) programme (13/115/82). The views expressed are those of the author(s) and not necessarily those of the NIHR or the Department of Health and Social Care. The sponsors and funders of the study had no role in study design, data collection, data analysis, data interpretation or writing of the report. The corresponding author had full access to all the data in the study and had final responsibility for the decision to submit for publication. The trial was registered with the International Standard Randomised Controlled Trial Register (ISRCTN61225414) as was conducted as per published protocol (Maheshwari et al., 2019). This report presents independent research commissioned by the National Institute for Health Research (NIHR). The views and opinions expressed by authors in this publication are those of the authors and do not necessarily reflect those of the NHS, the NIHR, NETSCC, the NIHR HTA programme or the Department of Health.Peer reviewedPostprin