1. Department of Periodontology, College of Dental Medicine; Nova Southeastern University; Florida USA
2. Department of Cranio-Maxillofacial Surgery, Bern University Hospital; Inselspital; Switzerland
3. Department of Oral Surgery, Clinical Dentistry, Institute of Biomedical Sciences; Tokushima University Graduate School; Japan
4. Institut Straumann AG; Surgical and Clinical Science Research Department; Switzerland
5. Department of Oral Implantology; University of Wuhan; China
6. Department of Periodontics and Oral Medicine; University of Michigan School of Dentistry; Michigan USA