1 Department of Radiology, Grupo de Apoio ao Adolescente e à Criança com Câncer (GRAACC), Sao Paulo, Brazil. Julio.BrandaoGuimaraes@ucsf.edu.
2 Department of Radiology, Federal University of Sao Paulo (UNIFESP), Sao Paulo, Brazil. Julio.BrandaoGuimaraes@ucsf.edu.
3 Musculoskeletal and Quantitative Imaging Research Group (MQIR), Department of Radiology and Biomedical Imaging, University of California, San Francisco, 185 Berry St, Suite 350, San Francisco, CA, 94158, USA. Julio.BrandaoGuimaraes@ucsf.edu.
4 Department of Radiology, Federal University of Sao Paulo (UNIFESP), Sao Paulo, Brazil.
5 Department of Orthopedic Surgery, Grupo de Apoio ao Adolescente e à Criança com Câncer (GRAACC), Sao Paulo, Brazil.
6 Department of Pathology, Federal University of Sao Paulo (UNIFESP), Sao Paulo, Brazil.
7 Department of Radiology, Grupo de Apoio ao Adolescente e à Criança com Câncer (GRAACC), Sao Paulo, Brazil.