1. Department of Neurosurgery, Chonnam National University Research Institute of Medical Sciences, the Brain Korea 21 Project, Chonnam National University Hwasun Hospital & Medical School, Gwangju, Korea.
2. Brain Tumor Research Laboratory, Chonnam National University Research Institute of Medical Sciences, the Brain Korea 21 Project, Chonnam National University Hwasun Hospital & Medical School, Gwangju, Korea.
3. Department of Clinical Laboratory Science, Seonam University, Gwangju, Korea.