The participant will have an X-ray examination, called a dual energy x-ray absorptiometry (DEXA) scan that measures your body fat and bone mass at baseline and 16-weeks after enrollment. The DEXA scan involves lying still for about 10 minutes on a padded table. The scanner will not touch the participant and the participant will not feel any discomfort. The test does not require the participant to undress. If the participant wishes, we will provide your doctor with a copy of your DEXA scan.