1. Department of Neurosurgery, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
2. Brain Korea 21 PLUS Project for Medical Science and Brain Research Institute, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
3. Department of Biochemistry & Molecular Biology, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea
4. Bio-Medical Institute of Technology, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea
5. Department of Microbiology, Asan Medical Center, College of Medicine, University of Ulsan, Seoul 05505, Republic of Korea
6. Cedmogen Co., Ltd., Cheongju 28644, Republic of Korea