Chih-Hung Ko, Ju-Yu Yen, Cheng-Fang Yen, Cheng-Sheng Chen, Chih-Chi Weng, Cheng-Chung Chen: The Association between Internet Addiction and Problematic Alcohol Use in Adolescents: The Problem Behavior Model. Cyberpsychology Behav. Soc. Netw. 11(5): 571-576 (2008)