Global, regional and national burden of decubitus ulcers in 204 countries and territories from 1990 to 2021: a systematic analysis based on the global burden of disease study 2021 - Zhang, Shenyue; Wei, Guoxing; Han, Liu; Zhong, Weibing; Lu, Zhentan; Niu, Zehao (Frontiers in Public Health, 2025)