[1] Univ Glasgow, British Heart Fdn Glasgow Cardiovasc Res Ctr, Glasgow, Lanark, Scotland
[2] Univ Glasgow, Robertson Ctr Biostat, Inst Hlth & Wellbeing, Glasgow, Lanark, Scotland
[3] Golden Jubilee Natl Hosp, West Scotland Heart & Lung Ctr, Glasgow, Lanark, Scotland
[4] Univ Leeds, Leeds, W Yorkshire, England
[5] Leeds Teaching Hosp NHS Trust, Leeds, W Yorkshire, England
[6] James Cook Univ Hosp NHS Trust, Middlesbrough, Cleveland, England
[7] Manchester Univ NHS Fdn Trust, Manchester, Lancs, England
[8] Leicester Univ Hosp NHS Trust, Leicester, Leics, England
[9] Liverpool Heart & Chest Hosp NHS Fdn Trust, Liverpool, Merseyside, England
[10] Wolverhampton Univ Hosp NHS Trust, Wolverhampton, England
[11] Barts & London Hosp, London, England
[12] Univ Hosp Southampton Fdn Trust, Southampton, Hants, England
[13] Univ Southampton, Sch Med, Southampton, Hants, England
[14] Greater Glasgow & Clyde Hlth Board, Glasgow, Lanark, Scotland
[15] Univ Hosp Hairmyres, East Kilbride, Scotland
[16] NHS Lanarkshire, Univ Hosp Monklands, Airdrie, Scotland
[17] Univ Edinburgh, Ctr Cardiovasc Sci, Edinburgh, Midlothian, Scotland