1. Johns Hopkins University; Electrical & Computer Eng. Dept.; 3400 N. Charles St. Baltimore MD 21218 USA
2. Johns Hopkins University; Mechanical Eng. Dept.; 3400 N. Charles St. Baltimore MD 21218 USA
3. Johns Hopkins University; Dept. of Computer Science.; 3400 N. Charles St. Baltimore MD 21218 USA
4. Johns Hopkins University; Dept. of Radiology; 601 North Caroline Street. Baltimore MD 21287 USA