1. Cardiovascular Sciences Research Centre, St George's University of London, Cranmer Terrace, London, SW17 OREUK
2. F. Hoffmann-La Roche Ltd, Basel, Switzerland
3. Roche Products Ltd, Welwyn Garden City, UK
4. Department of Endocrinology, Obesity and Preventive Medicine, Oslo University Hospital, Ulleval, Oslo, Norway
5. Charles University Faculty Hospital, Hradec Králové, Czech Republic
6. Groene Hart Ziekenhuis, Gouda, The Netherlands
7. Baylor College of Medicine, Houston, TX, USA