1. Department of Oral and Maxillofacial Surgery; Seoul National University Gwanak Dental Hospital; Seoul Korea
2. R&D Department; Korea Tooth Bank; Seoul Korea
3. Department of Oral and Maxillofacial Surgery; Seoul National University Bundang Hospital; Seoul Korea
4. Department of Oral and Maxillofacial Surgery; School of Dentistry; Seoul National University; Seoul Korea
5. Clinical Trial Center; Seoul National University Dental Hospital; Seoul Korea