Hyunji Sang, Sunyoung Kim, Jiyoung Hwang, Selin Woo, Yerin Hwang, Jaewon Kim, Seohei Lee, Dong Keon Yon, Sang Youl Rhee. "Impact of the WellCheck smartphone app linked to electronic health records on clinical outcomes in patients with type 2 diabetes: Study protocol for primary care-based, prospective, multicenter, cluster-randomized, pragmatic clinical trials." PLoS ONE, 2025. doi:10.1371/journal.pone.0329003