[1] Kings Coll London, British Heart Fdn Ctr Res Excellence, Sch Cardiovasc & Metab Med & Sci, London, England
[2] Guys & St Thomas NHS Fdn Trust, London, England
[3] London Sch Hyg & Trop Med, Clin Trials Unit, London, England
[4] Dept City, Platte City, MO USA
[5] Golden Jubilee Natl Hosp, West Scotland Heart & Lung Ctr, Clydebank, England
[6] Univ Glasgow, British Heart Fdn Glasgow Cardiovasc Res Ctr, Sch Cardiovasc & Metab Hlth, Glasgow, Scotland
[7] Glasgow Royal Infirm, Dept Cardiol, Glasgow, Scotland