1. Thoracic Oncology Unit, Instituto Nacional de Cancerología (INCan), Mexico City, Mexico
2. Luis Carlos Sarmiento Angulo Cancer Treatment and Research Center (CTIC), Bogotá, Colombia
3. Clinical Oncology Department, Centro de Investigaciones y Manejo del Cancer, San Jose, Costa Rica
4. Thoracic Oncology Unit, Instituto Fleming, Buenos Aires, Argentina
5. Medical Oncology Department, Hospital de Clinica, Universidad de la Republica, Montevideo, Uruguay