Baseline and Follow-up Measurements Height and bodyweight are measured using a digital scale with the examinee wearing a light gown, but no shoes. Body mass index (BMI) are calculated as weight (kg) divided by height squared (m2). The percentage body fat and total fat mass are measured by bioelectric impedance analysis (Inbody 3.0; Biospace Co., Ltd., Seoul, Korea), a sensitive test for quantification of changes in lean and fat mass in vivo and for assessment of regional fat distribution. A mercury sphygmomanometer are used for measurement of blood pressure (BP) of each participant, in the sitting position, after a 10-min resting period. Two readings each for the systolic and diastolic Bps are recorded at 3-min intervals, and the average of each measurement are included in our analysis.