Exploring individual and structural factors influencing healthcare seeking behavior in the context of the Senegal's Universal Health Coverage program: a multilevel analysis from the ANRS-12399 Soignants Sénégal study. - Diop, Ousmane; Ba, El Hadji; Maradan, Gwenaëlle; Mora, Marion; Spire, Bruno; Lalou, Richard; Bousmah, Marwân-al-Qays; Sokhna, Cheikh; Sagaon-Teyssier, Luis (BMC Health Services Research, 2025)