Depressive and mobile phone addiction symptoms in Chinese adolescents with major depressive disorder: the mediating effect of alexithymia. - Tian, Yinghan; Cui, Yingao; Liu, Lewei; Chen, Changhao; Liu, Zhiwei; Li, Wenzheng; Wang, Jiawei; Luo, Xiangfen; Wen, Xiangwang; Yang, Cheng; Xia, Lei; Liu, Huanzhong (BMC Psychiatry, 2025)