1. Department of Radiology; Johns Hopkins University; Baltimore Maryland USA
2. Advanced Imaging Research Center; UT Southwestern Medical Center; Dallas Texas USA
3. Department of Biomedical Engineering and Environmental Sciences; National Tsing Hua University; Hsinchu Taiwan
4. Biomedical Engineering Graduate Program; UT Southwestern Medical Center; Dallas Texas USA
5. Department of Mathematical Sciences; University of Texas at Dallas; Richardson Texas USA
6. Institute for Exercise and Environmental Medicine; Texas Health Presbyterian Hospital Dallas; Dallas Texas USA