1. Department of Biological Sciences, National Creative Research Initiative Center for Synaptogenesis, Korea Advanced Institute of Science and Technology (KAIST); Daejeon Korea
2. Department of Physiology and Dental Research Institute, Seoul National University School of Dentistry; Seoul Korea
3. Department of Molecular Neurobiology, Max Planck Institute of Experimental Medicine; Göttingen Germany
4. Department of Anatomy and Neurobiology, BK21, School of Dentistry, Kyungpook National University; Daegu Korea
5. Department of Internal Medicine, Huntsman Cancer Institute, University of Utah; Salt Lake City UT USA