title: Letter: Predictive Factors for Efficacy of Dipeptidyl Peptidase-4 Inhibitors in Patients with Type 2 Diabetes Mellitus (Diabetes Metab J 2015;39:342-7).
authors.affiliation: Department of Internal Medicine, Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Korea.
authors.forename: Ye An
authors.initials: YA
authors.lastname: Kim