This study will be conducted under the CONSORT recommendations and respecting the principles of Helsinsky convention and corresponds to a multicenter study in conjunction with the University of Ponta Grossa Brazil (Deputy resolution protocol and ethics committee (Appendix A and B ) . Will be invited to participate in the study to patients who come to the clinic through FOUCH public posters. Subsequently 120 volunteers will be selected on the criteria that qualify inclusion and exclusion from the study will be reported all volunteers were examined not qualify under the criteria for inclusion as part of the initial n , according to CONSORT recommendations .