1. Department of Biosystems & Biomaterials Science and Engineering, Seoul National University, Seoul, Republic of Korea.
2. Department of Otolaryngology, Ajou University School of Medicine, Suwon, Republic of Korea.
3. Tooth Bioengineering National Research Lab, Department of Oral and Maxillofacial Surgery, School of Dentistry, Seoul National University, Seoul, Republic of Korea.
4. Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea.