In Reply to Chang et al

Affiliations

• ¹ Radiation Oncology Department, Americas Centro de Oncologia Integrado, Rio de Janeiro, Brazil; Latin America Cooperative Oncology Group, Porto Alegre, Brazil.
• ² Latin America Cooperative Oncology Group, Porto Alegre, Brazil; Department of Medical Imaging, Hematology and Oncology, Ribeirão Preto Medical School, University of São Paulo (FMRP-USP), Ribeirão Preto, Brazil.