1. Department of Biomedical Engineering, National Yang Ming University, No. 155, Section 2, Linong Street, Taipei 11221, Taiwan
2. Department of Mechanical Engineering, National Cheng Kung University, No. 1 University Road, Tainan 70101, Taiwan
3. The Ph.D. Program for Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, No. 250 Wu-Xing Street, Taipei 11031, Taiwan
4. Department of Neurology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, No. 707, Section 3, Chung Yang Road, Hualien 97002, Taiwan
5. Department of Neurology, School of Medicine, Tzu Chi University, No. 701, Section 3, Zhongyang Road, Hualien 97004, Taiwan
6. National Laboratory Animal Center, No. 99, Lane 130, Section 1, Academia Road, Taipei 11571, Taiwan
7. Department of Neurology of the Second Affiliated Hospital, Interdisciplinary Institute of Neuroscience and Technology, Key Laboratory of Medical Neurobiology of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou 310029, P. R. China
8. College of Biomedical Engineering and Instrument Science, Key Laboratory for Biomedical Engineering of Ministry of Education, Zhejiang University, Hangzhou 310027, P. R. China
9. Department of Neurosurgery, Neurological Institute, Taipei Veterans General Hospital, No. 201, Section 2, Shipai Road, Taipei 11217, Taiwan
10. Department of Neurological Surgery, University of Washington, No. 1959 NE Pacific Street, Seattle, WA 98195-6470, U.S.A.