Combined home-delivered transcranial direct current stimulation and cognitive training in older adults with mild cognitive impairment due to Alzheimer's disease: a randomized, single-blind, sham-controlled trial. - Meléndez JC; Escudero J; Satorres E; Pitarque A; Marti-Hoyos I; Gonzalez-Moreno J (BMC geriatrics, 2026)