1 Imaging Department, A.C. Camargo Cancer Center, São Paulo, Brazil.
2 DASA, São Paulo, Brazil.
3 Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
4 Department of Radiology, Elsan, Centre République, Clermont-Ferrand, France.
5 Department of Radiological Sciences, David Geffen School of Medicine at UCLA, Olive View-UCLA Medical Center, Cedars-Sinai Medical Center, Los Angeles, CA.