Latent profile analysis of health and fatigue recovery among shift work nurses and differential associations with participation in a shift work improvement pilot project: a descriptive cross-sectional study - Eunhee Jung; Eunhye Kim; Suryang Seo; Sunyoung Lee; Sora An; Hyejin Kim; Ye Seul Kim; Youjin Kim; Mijeong Park; Hyoun-Joong Kong; Saram Lee; Yeong Joo Hong; et al. (Journal of Korean Academy of Nursing, 2026)