1. University of Massachusetts Dartmouth,Department of Computer and Information Science,North Dartmouth,MA,USA,02047
2. University of Vermont Medical Center and the Robert Laner College of Medicine, University of Vermont,Department of Radiology Oncology & Medical Physics,Burlington,VT,USA,05405
3. UIH America Inc.,Houston,TX,USA,77054
4. Neurological Institute,Department of Neuroradiology at the Barrow,AZ,USA,85013