calculated by weight in kilograms (kg) divided by height in meters
squared, N25.0 or b18.5 kg/m 2 ; age b18 years old or N40 years old;
known malabsorptive, liver, kidney or endocrine disease; current use
of orlistat, barbiturates, carboxamides, GABA analogs, fatty acids anti-
convulsants, glucocorticoids, calcium or vitamin D supplements; travel
outside the Brazilian south region during the previous 120 days. Skin
phototype was evaluated according to Fitzpatrick