The Influence of Skin Redness on Blinding in Transcranial Direct Current Stimulation Studies: A Crossover Trial - Ezquerro, Fernando; Moffa, Adriano H.; Bikson, Marom; Khadka, Niranjan; Aparicio, Luana V. M.; Sampaio-Junior, Bernardo de; Fregni, Felipe; Bensenor, Isabela M.; Lotufo, Paulo A.; Pereira, Alexandre Costa; Brunoni, Andre R. (Neuromodulation, 2017)