Transcranial electric stimulation and neurocognitive training in clinically depressed patients: A pilot study of the effects on rumination - Vanderhasselt, Marie-Anne; Raedt, Rudi De; Namur, Victoria; Lotufo, Paulo A.; Bensenor, Isabela M.; Boggio, Paulo S.; Brunoni, André R. (Progress in Neuro-Psychopharmacology and Biological Psychiatry, 2015)