1. Department of Dental Regenerative Bioengineering and Dental Research Institute; School of Dentistry, Seoul National University; Seoul 03080 South Korea
2. Department of Molecular Science and Technology; Ajou University; Suwon 16499 South Korea
3. Major in Microbiology, School of Biological Sciences; College of Natural Sciences, Chungbuk National University; Cheongju Chungbuk 28644 South Korea
4. Central Research Institute, Nano Intelligent Biomedical Engineering Corporation (NIBEC); Seoul 03080 South Korea