has subject area Diabetes Mellitus, Type 2 Dipeptidyl-Peptidase IV Inhibitors Glucagon-Like Peptide-1 Receptor Glucagon-Like Peptide-1 Receptor Agonists Humans Hypoglycemic Agents Metformin Sodium-Glucose Transporter 2 Inhibitors Sulfonylurea Compounds Thiazolidinediones