1. Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Ave, New York, NY 10065, USA
2. Department of Radiology, Humanitas Research Hospital, Via Alessandro Manzoni 56, 20089, Rozzano, MI, Italy
3. Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, 1275 York Ave, New York, NY 10065, USA
4. Department of Medical Physics, Memorial Sloan Kettering Cancer Center, 300E 66th Street, New York, NY 10065, USA
5. Department of Radiology, University of Cagliari, 40 Via Università, 09124 Cagliari, Italy
6. Department of Imaging, A.C.Camargo Cancer Center, São Paulo SP, Brazil