For Federal University of Goiás participants: Body composition (absolute and relative amount of lean and fat mass), whole body mineral density and lower spine and femur bone mineral density was measured with the use of DEXA (located at the Nutrition Clinic based at the Federal University of Goiás), at baseline only. Two scans were performed at baseline for each participant: one to assess the whole body mineral density and body composition, and the other to specifically assess fracture risk by scanning the spine and femoral head. Effective exposure doses for theses scans are ~8uSv and ~4uSv respectively.