Diabetes-related distress and associated factors among adult diabetes mellitus patients attending public hospitals in Gedio zone, southern Ethiopia: Mediation analysis - Alem Bayable Mersha; Atirsaw Shimekaw; Edom Gebremedhin; Jerusalem Sewalem; Andualem Bayih; Abel Desalegn Demeke; Simret Gebre (PLoS ONE, 2025)