**Seung-Yup Lee, Hae Kook Lee, Jung-Seok Choi, Soo-young Bang, Min-Hyeon Park, Kyu-In Jung and Yong-Sil Kweon**

The Matthew Effect in Recovery from Smartphone Addiction in a 6-Month Longitudinal Study of Children and Adolescents †

Reprinted from: *Int. J. Environ. Res. Public Health* **2020**, *17*, 4751, doi:10.3390/ijerph17134751 . . **477**
