1. Center for Biomaterials, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
2. Division of Bio-Medical Science and Technology, KIST School, University of Science and Technology (UST), Seoul 02792, Republic of Korea
3. Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
4. Division of Biomaterials and Biomechanics, Department of Restorative Dentistry, School of Dentistry, Oregon Health and Science University (OHSU), Portland, Oregon 97201, United States
5. Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
6. Department of Dermatology, Seoul National University Bundang Hospital, Seongnam 13620, Republic of Korea