%0 Journal Article %T The relationship between smartphone addiction and symptoms of depression, anxiety, and attention-deficit/hyperactivity in South Korean adolescents %A Hun-Tae Kim %A Jong Park %A Roger S. McIntyre %A Seung-Gon Kim %A Yena Lee %A Zihang Pan %J Archive of "Annals of General Psychiatry". %D 2019 %R 10.1186/s12991-019-0224-8 %X Demographic characteristics of the subjects (n£¿=£¿4512 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6408841/