1. Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Ave, New York, NY 10065.
2. Department of Radiology, Hospital Sírio-Libanês, São Paulo, Brazil.
3. Department of Radiology, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil.
4. Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY.
5. Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI.
6. Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY.
7. Department of Radiology, University of Wisconsin School of Medicine and Public Health, Madison, WI.