The Long-Term Maintenance of Upper Limb Motor Improvements Following Transcranial Direct Current Stimulation Combined with Rehabilitation in People with Stroke: A Systematic Review of Randomized Sham-Controlled Trials. - Víctor Navarro-López; Manuel del Valle-Gratacós; Rubén Fernández-Matías; María Carratalá-Tejada; Alicia Cuesta-Gómez; Francisco Molina Rueda (Sensors, 2021)