1. Department of Physiology; Yonsei University Wonju College of Medicine; Wonju Republic of Korea
2. Department of Neurosurgery; Yonsei University Wonju College of Medicine; Wonju Republic of Korea
3. The Brain Research Group; Yonsei University Wonju College of Medicine; Wonju Republic of Korea
4. Department of Pediatrics; Yonsei University Wonju College of Medicine; Wonju Republic of Korea
5. Department of Urology; Chungnam National University Hospital; Daejeon Republic of Korea