1. Athinoula A. Martinos Center for Biomedical Imaging; Department of Radiology; Massachusetts General Hospital; Charlestown Massachusetts USA
2. Department of Mathematics; Purdue University; West Lafayette Indiana USA
3. Department of Radiology; Harvard Medical School; Boston Massachusetts USA
4. Harvard-MIT Division of Health Sciences and Technology, MIT; Cambridge Massachusetts USA
5. School of Electrical and Computer Engineering, Purdue University; West Lafayette Indiana USA.