1. Department of Surgical Oncology, Instituto Oncologico Nacional, Panama City, Panama 0816, Republic of Panama
2. Department of Pathology, Instituto Oncologico Nacional, Panama City, Panama 0816, Republic of Panama
3. Department of Genetics and Cytogenetics, Caja de Seguro Social, Panama City, Panama 0824, Republic of Panama
4. Department of Medical Oncology, Instituto Oncologico Nacional, Panama City, Panama 0816, Republic of Panama
5. Department of General Surgery, Caja de Seguro Social, Panama City, Panama 0824, Republic of Panama
6. Department of Radiology and Interventionism, Instituto Oncologico Nacional, Panama City, Panama 0816, Republic of Panama
7. Department of Endocrinology, Caja de Seguro Social, Panama City, Panama 0824, Republic of Panama
8. Department of Gastroenterology, Instituto Oncologico Nacional, Panama City, Panama 0816, Republic of Panama