1. Department of Maxillofacial Biomedical Engineering, Institute of Oral Biology, School of Dentistry, Kyung Hee University, Seoul, Republic of Korea.
2. Department of Medicine, Brigham and Women's Hospital, Center for Biomedical Engineering, Harvard Medical School, Cambridge, Massachusetts.
3. Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, Massachusetts.
4. Department of Pediatric Dentistry, School of Dentistry, Kyung Hee University, Seoul, Republic of Korea.
5. Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, Massachusetts.