Predictors and time to poor management outcomes among pediatric patients hospitalized with pneumonia in the Gedeo Zone, southern Ethiopia: a prospective follow-up study - Alemu, Wagaye; Ademassu, Mebirat; Belayneh, Firehiwot; Gebeyehu, Yabibal; Zenebe, Getachew Assefa; Lerango, Temesgen Leka (Frontiers in Pediatrics, 2025)