Obesity is defined as z-core of BMI for age and gender ≥ 2 SD, high total cholesterol is defined as total cholesterol ≥ 200mg / dl, high LDL - cholesterol as LDL-C ≥ 130 mg / dl, high Triglyceride as TG ≥ 150 mg / dl, low HDL-cholesterol as HDL-C < 35 mg/dl.