Methods: Clinical questionnaire,nutritional assessment(Weight, height, BMI) Biochemical tests: Hemoglobin (HB) , white blood cell count (WBC), total cholesterol (CHOL) and fractions (HDL, LDL, VLDL), triglycerides (TRIG), blood glucose (GLU), serum albumin (ALB),insulin (INS), leptin (LEP),C-reactive protein (CRP), serum amyloid A (SAA), complement fractions C3 and C4, coagulation profile Atherosclerosis markers: Arterial stiffness (aorta) and intima thickness (common carotid artery)