1. Department of Materials Science and Engineering, College of
Earth and Mineral Sciences, The Pennsylvania State University,
University Park, Pennsylvania 16802, USA
2. Department of Materials Science and Engineering,
Korea Advanced Institute of Science and Technology (KAIST),
Daejeon 34141, South Korea
3. Functional Ceramics Group, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam 51508, South Korea
4. Division of Cardiology, Severance Cardiovascular Hospital,
Yonsei University Health System, Yonsei University College of Medicine, Seoul 03722, South Korea
5. Department of Oral and Maxillofacial Surgery,
Gangneung-Wonju National University Dental Hospital, College of Dentistry, Gangneung-Wonju National University, Gangneung, Gangwon 25457,
South Korea
6. Department of Thoracic and Cardiovascular Surgery,
Chungbuk National University Hospital, College of Medicine, Chungbuk National University, Cheongju, Chungbuk 28644, South Korea
7. Department of Nanostructure Technology, National Nanofab Center, Daejeon 34141, South Korea