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The main acknowledgment is to the millions of women in England who took part in the AgeX trial. The contribution from many individuals at each of the participating NHS Breast Screening Centres listed below is also gratefully acknowledged, and we are hugely indebted to Professor Dame Valerie Beral who was instrumental in planning and conducting the trial.

The additional screening for the trial was funded by the Department of Health and Social Care.  The study team at the University of Oxford includes staff funded by the Department of Health and Social Care, the Medical Research Council, and Cancer Research UK.

The following NHS Breast Screening Centres participated in the AgeX trial: 

City, Sandwell & Walsall; Dudley & Wolverhampton; Hereford & Worcester; North Staffordshire; Shropshire; South Birmingham; South Staffordshire; Warwickshire, Solihull & Coventry; Nottingham; North Nottinghamshire; Lincoln; North Derbyshire; South Derbyshire; Leicester; Kettering; Northampton; Newcastle; North Tees; Humberside; Pennine; Leeds Wakefield; North Yorkshire; Barnsley; Doncaster; Rotherham; Sheffield; Bedfordshire & Hertfordshire; Epping; Chelmsford & Colchester; Southampton & Salisbury; Isle of Wight; North and Mid Hampshire; Portsmouth; Aylesbury & Wycombe; Milton Keynes; East Berkshire; West Berkshire; Oxfordshire; Bolton; Chester; Crewe; East Lancashire; Greater Manchester; Liverpool; East Cheshire & Stockport; North Lancashire; Warrington & Whiston; South Lancashire; Wirral; Avon; Cornwall; Dorset; Gloucestershire; Somerset; South Devon; West Devon & East Cornwall; Wiltshire; Barking, Havering, Redbridge & Brentwood; North London; South East London; South West London; West London; East Sussex, Brighton & Hove; Jarvis, Guildford; Canterbury, Medway & Maidstone.