1 Department of Psychiatry, National University of Asunción, San Lorenzo, Brazil.
2 Department of Neuroscience, Medical School, Fundação do ABC, Santo André.
3 Department of Psychiatry, Medical School, University of São Paulo, São Paulo, SP, Brazil.
4 Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy.
5 Department of Social Anthropology (Santa Rosa Campus), National University of Asunción, Santa Rosa del Aguaray, Paraguay, Italy E-mail: [email protected].