Protocol for an OpenSAFELY cohort study collecting patient-reported outcome measures using the TPP Airmid smartphone application and linked big data to quantify the health and economic costs of long COVID (OpenPROMPT)
Emily Herrett, Keith Tomlin, Liang-Yu Lin, Laurie A Tomlinson, Mark Jit, Andrew Briggs, Michael Marks, Frank Sandmann, John Parry, Christopher Bates, Jessica Morley, Seb Bacon, Benjamin Butler-Cole, Viyaasan Mahalingasivam, Alan Dennison, Deb Smith, Ethan Gabriel, Amir Mehrkar, Ben Goldacre, Liam Smeeth, Rosalind M M Eggo
BMJ Open Feb 2023, 13 (2) e071261; DOI: 10.1136/bmjopen-2022-071261