1. Department of Operative Dentistry, Periodontology and Preventive Dentistry University Hospital (RWTH) Aachen Germany
2. Private Practice Aachen Germany
3. Department of Orthodontics University Hospital (RWTH) Aachen Germany
4. Department of Operative Dentistry and Periodontology Martin Luther University Mainz Germany
5. Department of Oral Medicine and Oral Surgery Charité—Universitätsmedizin Berlin Berlin Germany
6. Berlin Institute of Health Berlin Germany
7. Department of Periodontology and Operative Dentistry University Medical Center Mainz Germany
8. Department of Medical Statistics University Hospital (RWTH) Aachen Germany
9. Department of Periodontology, Anton Sculean Center for Research and Peri‐Implant Diseases Victor Babes University of Medicine and Pharmacy Romania