1. Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
2. Department of Research Institute of Advanced Materials, Seoul National University, Seoul 08826, Republic of Korea
3. Department of Biofibers and Biomaterials Science, Kyungpook National University, Daegu 41566, Republic of Korea
4. Department of Agriculture, Forestry and Bioresources, Seoul National University, Seoul 08826, Republic of Korea