Efficacy and Safety of Transcranial Direct Current Stimulation for Treating Negative Symptoms in Schizophrenia A Randomized Clinical Trial - Valiengo, Leandro da Costa Lane; Goerigk, Stephan; Gordon, Pedro Caldana; Padberg, Frank; Serpa, Mauricio Henriques; Koebe, Stephanie; Santos, Leonardo Afonso dos; Lovera, Roger Alberto Marcos; Carvalho, Juliana Barbosa de; Bilt, Martinus van de; Brunoni, Andre Russowsky (Jama psychiatry, 2020)