[1] Univ Nottingham, Grad Sch Med, Div Primary Care, Derby DE22 3DT, England
[2] Royal Free & Univ Coll London Med Sch, British Heart Fdn Labs, Ctr Cardiovasc Genet, London, England
[3] Univ London, Lipid Clin, Imperial Coll Healthcare, Dept Cardiol, London WC1E 7HU, England
[4] Briar Bank Studios, Funky Med, Penarth, S Glam, Wales