Cohort profile of the Sloane Project: methodology for a prospective UK cohort study of >15 000 women with screen-detected non-invasive breast neoplasia oleh Abeer M Shaaban, Nisha Sharma, Olive Kearins, Cliona Kirwan, David Dodwell, Karen Clements, Alastair M Thompson, Isabella Stevens-Harris, Hilary Stobart, Sarah Pinder, Elena Provenzano, Matthew G Wallis, Bridget Hilton, Joanne Dulson-Cox, Mark Sibbering, Anthony J Maxwell, Janet Litherland, Senthurun Mylvaganam, Elinor Sawyer