1. Breast Cancer Department Instituto Nacional de Cancerología Mexico City Mexico
2. The American British Cowdray Medical Center ABC Mexico City Mexico
3. Instituto Nacional de Rehabilitación Mexico City Mexico
4. Department of Hematology and Oncology Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán Mexico City México
5. Faculty of Health Sciences Universidad Anáhuac México Naucalpan de Juárez Mexico