1. Department of Surgery, Clinica Iberoamerica, Barranquilla, Atlantico, Colombia.
2. Department of Radiology, Clinica Portoazul, Barranquilla, Colombia.
3. Department of Surgery, Wilhelmsburg Groß-Sand Hospital, Chirurgie, Hamburg, Germany.
4. Department of Surgery, BronxCare Health System, Bronx, New York, USA.