[1] UCL, BHF Labs, Ctr Cardiovasc Biol & Med, London WC1E 6JJ, England
[2] Onze Lieve Vrouw Hosp, Ctr Cardiovasc, B-9300 Aalst, Belgium
[3] Goethe Univ Frankfurt, Dept Med 3, D-6000 Frankfurt, Germany
[4] Hannover Med Sch, Div Nephrol, D-30625 Hannover, Germany
[5] Univ Valladolid, Hosp Clin, Inst Ciencias Corazon, ICICOR, Valladolid, Spain
[6] Univ Leicester, Glenfield Hosp, Dept Cardiovasc Sci, Cardiac Surg Unit, Leicester, Leics, England
[7] Univ Hosp Gasthuisberg, Dept Cardiol, B-3000 Louvain, Belgium
[8] London Chest Hosp, Dept Cardiol, London E2 9JX, England
[9] Univ Paris 05, Hop Europeen Georges Pompidou, Assistance Publ Hop Paris, Fac Med,INSERM,U633,Dept Cardiovasc Surg, F-75270 Paris 06, France
[10] Univ Pavia, Dept Cardiol, I-27100 Pavia, Italy
[11] Univ Dusseldorf, Klin Kardiol Pneumol & Angiol, D-40225 Dusseldorf, Germany
[12] Sch Med, Div Cardiol 3, Katowice, Poland
[13] OLV Clin, Cardiovasc Ctr Aalst, Aalst, Belgium
[14] Goethe Univ Frankfurt, Dept Med 3, D-6000 Frankfurt, Germany