Geographic inequities in human papillomavirus vaccine non-uptake and its determinants among adolescent girls in Ethiopia: Evidence from the National Immunization Survey - Kibir Temesgen Assefa; Abebaw Gebeyehu Worku; Achenef Asmamaw Muche; Bisrat Misganaw Geremew; Mulat Adefris Woldetsadik; Kassahun Alemu (PLoS ONE, 2026)