1. First Department of Internal Medicine Diabetes Center Division of Endocrinology and Metabolism AHEPA University Hospital Thessaloniki Greece
2. Internal Medicine Department Regional University Hospital of MálagaInstituto de Investigación Biomédica de Málaga (IBIMA)Universidad de Malaga Malaga Spain
3. CIBER Fisiopatologia Obesidad y Nutricion (CIBEROBN) Instituto de Salud Carlos III Madrid Spain
4. Department of Clinical Biochemistry Royal Free Hospital CampusUniversity College London Medical SchoolUniversity College London (UCL) London UK
5. Lipids and Atherosclerosis Unit Department of Medicine IMIBIC/Hospital Universitario Reina Sofía/Universidad de Cordoba Cordoba Spain