1. Department of Palliative Care, Instituto Nacional de Cancerología , Mexico City , México
2. Thoracic Oncology Unit, Instituto Nacional de Cancerología , Mexico City , México
3. Comprehensive Cancer Center, Medica Sur Foundation and Clinic , Mexico City , México
4. Research and Education Direction, Luis Carlos Sarmiento Angulo Cancer Treatment and Research Center (CTIC) , Bogotá , Colombia
5. Foundation for Clinical and Applied Cancer Research, FICMAC and Molecular Oncology and Biology Systems Group, Universidad El Bosque , Bogotá , Colombia