1. Department of Vascular Surgery, Hospital General Tacuba ISSSTE, Ciudad de México, Mexico
2. Department of Vascular Sugerí, Centro Médico ISSEMYM Ecatepec, Ecatepec de Morelos, Mexico
3. Department of Medical Management, Hospital Médica Mexiquense, Fuentes del Valle, Mexico
4. Department of General Surgery, Hospital General Tacuba ISSSTE, Ciudad de México, Mexico
5. Department of General Surgery, Centro Médico ISSEMYM Ecatepec, Ecatepec de Morelos, Mexico