1. School of Medicine Universidad de Sucre Sincelejo Colombia
2. Department of Surgery, School of Medicine Universidad de Cartagena Cartagena Colombia
3. Grupo Prometeus y Biomedicina Aplicada a las Ciencias Clínicas School of Medicine, Universidad de Cartagena Cartagena Colombia
4. Medical and Surgical Research Center Future Surgeons Chapter, Colombian Surgery Association Bogotá Colombia
5. International Coalition on Surgical Research Universidad Nacional Autónoma de Nicaragua Managua Nicaragua