[1] Natl Univ Asuncion, Sch Med Sci, Dept Med Psychol, San Lorenzo, Paraguay
[2] Natl Univ Asuncion, Sch Med Sci, Dept Psychiat, San Lorenzo, Paraguay
[3] Natl Univ Asuncion, Sch Med Sci, Dept Psychiat, Santa Rosa Campus, Santa Rosa Del Aguaray, Paraguay
[4] Fundacao ABC, Dept Neurosci, Santo Andre, SP, Brazil
[5] Univ Sao Paulo, Dept Psychiat, Sao Paulo, Brazil
[6] Univ Foggia, Dept Clin & Expt Med, Foggia, Italy
[7] Natl Univ Asuncion, Sch Med Sci, Dept Stat, Santa Rosa Campus,Av Mcal Lopez, Santa Rosa Del Aguaray 2160, Paraguay