Transcranial direct current stimulation as an additional treatment to selective serotonin reuptake inhibitors in adults with major depressive disorder in Germany (DepressionDC): a triple-blind, randomised, sham- controlled, multicentre trial - Burkhardt, Gerrit; Kumpf, Ulrike; Crispin, Alexander; Goerigk, Stephan; Andre, Elisabeth; Plewnia, Christian; Brendel, Bettina; Fallgatter, Andreas; Langguth, Berthold; Brunoni, Andre Russowsky (Lancet, 2023)