Randomized, Double-Blind, Phase 3 Trial of Triple Therapy With Dapagliflozin Add-on to Saxagliptin Plus Metformin in Type 2 Diabetes. - Mathieu C; Ranetti AE; Li D; Ekholm E; Cook W; Hirshberg B; Chen H; Hansen L; Iqbal N (Diabetes care, 2015)