1. Cardiology and Cardiovascular Surgery in Medicine School of Sao Jose do Rio Preto-FAMERP and CNPq (National Council for Research and Development), Brazil
2. Vascular Surgery of Service Ecography in Hospital de Base-Medicine School of Sao Jose do Rio Preto-FAMERP-Brazil
3. Department General Surgery of the Medicine School in São José do Rio Preto-FAMERP-Brazil and Member Research Group in the Clínica Godoy, Sao Jose do Rio Preto, Brazil
4. Vascular Surgery Service in Medicine School in Sao Jose do Rio Preto-FAMERP-Brazil
5. Stricto Sensu in Medicine School in São José do Rio Preto-FAMERP; Clínica Godoy, Sao Jose do Rio Preto, Brazil