1. Department of Materials Science and Engineering Seoul National University Seoul 08826 Republic of Korea
2. Clinical Dentistry Research Institute Korea University Anam Hospital Seoul Republic of Korea
3. Department of Electronics Convergence Engineering Kwangwoon University Seoul 01897 Republic of Korea
4. Research Institute of Advanced Materials (RIAM) Seoul National University Seoul 08826 Republic of Korea
5. Department of Oral and Maxillofacial Surgery Korea University Anam Hospital Seoul Republic of Korea
6. Nano Systems Institute SOFT Foundry Seoul National University Seoul 08826 Republic of Korea