1Department of Ophthalmology, Botucatu School of Medicine UNESP, Botucatu, SP, Brazil
2Department of Pathology, Botucatu School of Medicine UNESP – Botucatu, SP, Brazil
3Department of Biostatistics, Bioscience Institute – UNESP – Botucatu, SP, Brazil
*Corresponding Author:
Silvana A. Schellini, Depto de OFT/ORL/CCP, Faculdade de Medicina de Botucatu – UNESP, Campus Universitário, Cep-18618- 000 – Botucatu City- São Paulo State, Brazil Email: