Gómez-Torres, Piedad Blázquez-Ornat, Isabel Rosario Lozano Del Hoyo, María Luisa Samaniego-Díaz de Corcuera, Ma. Esther Ferrer-López, Emilia Ramón-Arbués, Enrique Pérez-Calahorra, Sofía Pilar Gómez-Barrera, Manuel Fernández-Rodrigo, Maria Teresa Economic burden and cost of non-adherence in type 2 diabetes: a systematic review of middle- and high-income countries Health econ. rev. 10.1186/s13561-026-00755-7 2026 2026