1. Department of Neurosurgery, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan.
2. Ph.D. Program in Biomedical Engineering, Chang Gung University, Taoyuan, Taiwan.
3. Department of Diagnostic Radiology and Intervention, Chang Gung Memorial Hospital at LinKou, Taoyuan, Taiwan.
4. The Graduate Institute of Biomedical Sciences, Chang Gung University, Taoyuan, Taiwan.
5. Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan.
6. Department of Neurosurgery, Chang Gung Memorial Hospital at Keelung, Keelung, Taiwan.
7. School of Medicine, Chang Gung University, Taoyuan, Taiwan.
8. Department of Neurosurgery, New Taipei Municipal TuCheng Hospital, Chang Gung Medical Foundation, New Taipei, Taiwan.
9. Department of Neurosurgery and Mulva Clinic for the Neurosciences, Dell Medical School, The University of Texas at Austin, Austin, TX 78712, USA.