[1] Univ Copenhagen, Gentofte Hosp, Dept Cardiol, DK-2900 Hellerup, Denmark
[2] Univ Copenhagen, Glostrup Hosp, Dept Cardiol, DK-2600 Glostrup, Denmark
[3] Univ Copenhagen, Ctr Heart, Rigshosp, DK-2100 Copenhagen, Denmark
[4] Pontifical Catholic Univ Rio de Janeiro, BR-22453900 Rio De Janeiro, Brazil
[5] Univ Alberta, Royal Alexandra Hosp, Edmonton, AB T5H 3V9, Canada
[6] Univ Antwerp Hosp, Dept Diabet Endocrinol & Metab, B-2650 Edegem, Belgium
[7] UCL, Dept Med, London WC1N 1EH, England
[8] Univ London London Sch Hyg & Trop Med, London WC1E 7HT, England
[9] Univ Sydney, Inst Obes Nutr & Exercise, Sydney, NSW 2006, Australia
[10] Abbott Labs, Dept 436, Abbott Pk, IL 60035 USA