1. 1st Institute of Clinical Chemistry and Biochemistry, First Faculty of Medicine, Charles University, Prague 2, Czech Republic
2. Department of Clinical Biochemistry Guy's, King's and St Thomas' Medical School, King's College London, London
3. Department of Cardiology, Guy's, King's and St Thomas' Medical School, King's College London, London
4. Department of Nutrition and Dietetics, King's College London, London,