Biogenetic Temperament and Character Profiles and Attention Deficit Hyperactivity Disorder Symptoms in Korean Adolescents with Problematic Internet Use. - Soo-Churl Cho; Jae-Won Kim; Boong-Nyun Kim; Jong-Ha Lee; Eun-Hui Kim (Cyberpsychology Behav. Soc. Netw., 2008)