1. A.A. Martinos Center for Biomedical Imaging, Department of Radiology; Massachusetts General Hospital; Charlestown Massachusetts USA
2. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology; Cambridge Massachusetts USA
3. Department of Physics; Harvard University; Cambridge Massachusetts USA
4. Department of Radiology; Massachusetts General Hospital; Boston Massachusetts USA
5. Harvard Medical School; Boston Massachusetts USA
6. Harvard-MIT Division of Health Sciences Technology; Cambridge Massachusetts USA