1. Clinical-Hospital Centre “Dr Dragiša Mišović-Dedinje”, 11000 Belgrade, Serbia
2. Department of Medical Biochemistry, Faculty of Pharmacy, University of Belgrade, 11000 Belgrade, Serbia
3. Intern Clinic, Clinical Ward for Cardiovascular Diseases, Clinical-Hospital Centre Zvezdara, 11000 Belgrade, Serbia
4. Department for Internal Medicine, Faculty of Dentistry, University of Belgrade, 11000 Belgrade, Serbia
5. Centre for Cardiovascular Science, The Queen’s Medical Research Institute, Edinburgh EH16 4TJ, UK