1Post Graduation Program in Morphological Science, Department of Morphology, Medical School, Federal University of Ceará, Fortaleza, CE, Brazil
2Medical School, Federal University of Piauí, Picos, CE, Brazil
3Department of Morphology, Medical School, Federal University of Ceará, Fortaleza, CE, Brazil
4Department of Pathology and Legal Medicine, Medical School, Federal University of Ceará, Fortaleza, CE, Brazil