Ethnicity data resource in population-wide health records: completeness, coverage and granularity of diversity oleh Marta Pineda-Moncusí, Freya Allery, Antonella Delmestri, Thomas Bolton, John Nolan, Johan H. Thygesen, Alex Handy, Amitava Banerjee, Spiros Denaxas, Christopher Tomlinson, Alastair K. Denniston, Cathie Sudlow, Ashley Akbari, Angela Wood, Gary S. Collins, Irene Petersen, Laura C. Coates, Kamlesh Khunti, Daniel Prieto-sAlhambra, Sara Khalid, on behalf of the CVD-COVID-UK/COVID-IMPACT Consortium