1. Botucatu Medical School, UNESP - Univ Estadual Paulista; Department of Ophthalmology, Otorhinolaryngology and Head and Neck Surgery; Distrito de Rubião Júnior, s/n Botucatu São Paulo Brazil 18618-970
2. Botucatu Medical School, UNESP - Univ Estadual Paulista; Distrito de Rubião Júnior, s/n Botucatu Brazil
3. Institute of Science and Technology, Unesp - Univ Estadual Paulista; Department of Biosciences and Oral Diagnosis; Botucatu Brazil