Affiliation: | 1. Department of Periodontology, Research Institute of Periodontal Regeneration, Yonsei University College of Dentistry, Seoul, Republic of Korea Jung-Seok Lee and Seul-Ki Kim contributed equally to this work.;2. Department of Oral Biology, School of Dentistry, Medical University of Vienna, Vienna, Austria;3. Department of Periodontology, Research Institute of Periodontal Regeneration, Yonsei University College of Dentistry, Seoul, Republic of Korea |