1. Department of Periodontology; Semmelweis University; Budapest; Hungary
2. Scil Technology GmbH; Martinsried; Germany
3. Department of Periodontology; University of Berne; Bern; Switzerland
4. Laboratory for Applied Periodontal & Craniofacial Regeneration (LAPCR); Departments of Periodontics and Oral Biology; Georgia Health Sciences University College of Dental Medicine and College of Graduate Studies; Augusta; GA; USA