1. Department of Medical Psychology, School of Medical Sciences, National University of Asunción, San Lorenzo, Paraguay
2. Department of Psychiatry, School of Medical Sciences, National University of Asunción, San Lorenzo, Paraguay
3. Department of Psychiatry (Santa Rosa Campus), School of Medical Sciences, National University of Asunción, Santa Rosa del Aguaray, Paraguay
4. Department of Neuroscience, Fundação do ABC, Santo André, Brazil
5. Department of Psychiatry, University of São Paulo, São Paulo, Brazil
6. Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
7. Department of Statistics (Santa Rosa Campus), School of Medical Sciences, National University of Asunción, Santa Rosa del Aguaray, Paraguay