A Bioequivalence Study of the Fixed Dose Combination Dapagliflozin/Metformin Tablet (5.0 mg/850 mg) Relative to a 5.0 mg Dapagliflozin Tablet and an 850 mg Metformin (Glucophage® Marketed in Canada by Sanofi-Aventis) Tablet Co-Administered to Healthy Subjects in the Fasted and Fed States