1 Psychiatric Service, University Hospital Walter Cantidio, Brazil; Federal University of Ceara, Brazil.
2 School of Medicine, Federal University of Ceara, Brazil.
3 Psychiatric Service, University Hospital Walter Cantidio, Brazil; Clinical Medicine Department, Federal University of Ceara, Brazil. Electronic address: fgmsouza@yahoo.com.br.
4 Psychiatric Service, University Hospital Walter Cantidio, Brazil; Clinical Medicine Department, Federal University of Ceara, Brazil. Electronic address: lwbisol@gmail.com.