Internet addiction and psychological distress among Chinese schoolchildren before and during the COVID-19 outbreak: A latent class analysisArticle Published on 2021-09-152023-07-02 Journal: Journal of Behavioral Addictions [Category] SARS, [키워드] COVID-19 problematic gaming problematic smartphone use problematic social media use Psychological distress [DOI] 10.1556/2006.2021.00052 PMC 바로가기 [Article Type] Article