Relationship between accelerometer-measured physical activity and depressive symptoms in hemodialysis patients with comorbid diabetes mellitus: a multicenter cross-sectional study - Liang, Ruiting; Chen, Xiaoyu; Siqin, Gaowa; Zhang, Zhixin; Zhang, Shumei; Li, Lihua; Talin, SarNa; Guo, Qi (Frontiers in Psychology, 2025)