1. Department of Materials Science and Engineering Seoul National University Seoul 08826 Republic of Korea
2. Research Institute of Advanced Materials (RIAM) Seoul National University Seoul 08826 Republic of Korea
3. Department of Materials Science and Engineering UNIST (Ulsan National Institute of Science and Technology) Ulsan 44919 Republic of Korea
4. Department of Nano Manufacturing Technology Korea Institute of Machinery & Materials (KIMM) Daejeon 34103 Republic of Korea
5. Biomaterials Research Center, Biomedical Research Division Korea Institute of Science and Technology (KIST) Seoul 02792 Republic of Korea
6. Department of Oral and Maxillofacial Surgery Korea University Anam Hospital Seoul 02841 Republic of Korea