Department of Dentistry, U Dental Hospital, Seoul, Korea;
Division of Endodontology, Department of Oral Health and Diagnostic Sciences, School of Dental Medicine, University of Connecticut Health Center, Farmington, USA;
Department of Conservative Dentistry, Dental Research Institute, Seoul National University Dental Hospital, Seoul National University School of Dentistry, Seoul, Korea;
Department of Conservative Dentistry, School of Dentistry, Kyung Hee University, Seoul, Korea;
Department of Conservative Dentistry, Dental Research Institute, Seoul National University Dental Hospital, Seoul National University School of Dentistry, Seoul, Korea;
Division of Restorative Dentistry, Schulich School of Medicine & Dentistry, University of Western Ontario, London, Canada;
Department of Conservative Dentistry, Jukjeon Dental Hospital, College of Dentistry, Dankook University, Jukjeon, Korea;
Department of Conservative Dentistry, Dental Research Institute, Seoul National University Dental Hospital, Seoul National University School of Dentistry, Seoul, Korea;
Department of Dentistry, U Dental Hospital, Seoul, Korea;
Department of Dentistry, U Dental Hospital, Seoul, Korea;
Department of Oral Microbiology & Immunology, Dental Research Institute and BK21 Program, Seoul National University School of Dentistry, Seoul, Korea;