Risk factors associated with online game addiction: A hierarchical model. - Gi Jung Hyun; Doug Hyun Han; Young-Sik Lee; Kyoung Doo Kang; Seo Koo Yoo; Un-Sun Chung; Perry F. Renshaw (Comput. Hum. Behav., 2015)

Visuospatial working memory assessment using a digital tablet in adolescents with attention deficit hyperactivity disorder. - Gi Jung Hyun; Jin Wan Park; Jin Hee Kim; Kyoung Joon Min; Young-Sik Lee; Sun Mi Kim; Doug Hyun Han (Comput. Methods Programs Biomed., 2018)