There have been several definitions of MetS, but the most commonly used criteria for definition at present are from the World Health Organization (WHO) [5], the European Group for the study of Insulin Resistance (EGIR) [6], the National Cholesterol Education Programme Adult Treatment Panel III (NCEP ATP III) [7], American Association of Clinical Endocrinologists (AACE) [8], and the International Diabetes Federation (IDF) [9]