1. Private Practice, Hospital Angeles, Clinica Londres, Mexico City, Mexico
2. Private Practice, Buenos Aires, Argentina
3. Private Practice, SBCP, Santa Maria, RS, Brazil
4. Private Practice, Lima, Peru
5. Private Practice, Mérida, Yucatán, México.
6. Plastic and Reconstructive Surgery Resident in Hospital General de México, Mérida Yucatán, México
7. Private Practice, México City, México
8. Department of Anesthesiology, Hospital General de México, México City, México
9. The Acute Surgical Pathology Clinic Hospital General de México, México City, México.