1. Department of Periodontology and Dental Research Institute; Translational Research Laboratory for Tissue Engineering (TTE); School of Dentistry; Seoul National University; Seoul Korea
2. Department of Oral Microbiology and Immunology; School of Dentistry; Seoul National University; Seoul Korea
3. Department of Chemistry; College of Natural Sciences; Seoul National University; Seoul Korea
4. Department of Oral Surgery; Universitätsklinikum Düsseldorf; Düsseldorf Germany