[1] Blackpool Teaching Hosp NHS Fdn Trust, Lancashire Cardiac Ctr, Dept Cardiol, Blackpool, England
[2] Liverpool Ctr Cardiovasc Sci, Liverpool, England
[3] Bangor Univ, Ctr Hlth Econ & Med Evaluat, Bangor, Wales
[4] Blackpool Teaching Hosp NHS Fdn Trust, Res & Dev Dept, Blackpool, England
[5] Univ Plymouth, Peninsula Clin Trials Unit, Plymouth, England
[6] Blackpool Teaching Hosp NHS Fdn Trust, Blackpool, England
[7] Blackpool Teaching Hosp NHS Fdn Trust, Dept Care Older Person, Blackpool, England
[8] Blackpool Teaching Hosp NHS Fdn Trust, Dept Histopathol, Blackpool, England
[9] Worcestershire Acute Hosp NHS Trust, Worcestershire Royal Hosp, Dept Cardiol, Worcester, England
[10] Edge Hill Univ, Cardioresp Res Ctr, Med Sch, Ormskirk, England
[11] Univ Liverpool, Liverpool Univ Dent Hosp, Inst Life Course & Med Sci, Sch Dent Sci, Liverpool, England
[12] Univ Dundee, Ninewells Hosp, Dept Cardiol, Dundee, Scotland
[13] Univ Dundee, Med Sch, Dundee, Scotland
[14] Portsmouth Hosp Univ NHS Trust, Dept Dermatol, Portsmouth, England
[15] Univ Glasgow, Glasgow Cardiovasc Res Ctr, Sch Cardiovasc & Metab Hlth, Glasgow, Scotland
[16] Liverpool John Moores Univ, Univ Liverpool, Liverpool Ctr Cardiovasc Sci, Liverpool, England
[17] Liverpool Heart & Chest Hosp, Liverpool, England
[18] Aalborg Univ, Dept Clin Med, Aalborg, Denmark