1. Post Graduation Program in Biotechnology; University Potiguar; Natal RN Brazil
2. Department of Surgery, Microsurgery and Medicine Sciences, School of Dentistry; University of Sassari; Sassari Italy
3. School of Health; University Anhembi-Morumbi; Sao Paulo SP Brazil
4. Departament of Gynecology; Federal University of São Paulo; Sao Paulo SP Brazil
5. Departament of Surgery; Federal University of Rio Grande do Norte; Natal RN Brazil