S. Schuetz, Fellow, Department of Colon and Rectal Surgery, Ochsner Medical Center, New Orleans, Louisiana, UNITED STATES|M.A. Vasquez V., Chief of Surgical Oncology, Hospital Santiago Segundo CNS, El Alto, La Paz, BOLIVIA, PLURINATIONAL STATE OF|C.B. Soliz P., National Director, PROMIS-Bolivia, La Paz, La Paz, BOLIVIA, PLURINATIONAL STATE OF|M. Marmol C., Chief of Medical Oncology, Hospital Belga, Cochabamba, Cochabamba, BOLIVIA, PLURINATIONAL STATE OF|
