Diabetes Principal Medical Scientific Expert;
Novartis Pharma AG;
Diabetes and Glandular Disease Clinic;
Novartis Pharmaceuticals Corporation;
Vildagliptin; Metformin; Dipeptidyl; peptid; ase-4; Hemoglobin; A1c; Glucagon-like; peptide-1; Gastrointestinal; side; effects;