Endoscopic Diagnosis of Eosinophilic Esophagitis Using a Multi-Task U-Net: A Pilot Study. - Kim GH; Park J; Park S; Hwang J; Lim J; Park K; Ji S; Seo JY; Noh JH; Ahn JY; Byeon JS; Kim DH; et al. (Yonsei medical journal, 2026)