1 Section of Periodontology, Department of Operative Dentistry, University Hospital Heidelberg, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany. maurice.ruetters@med.uni-heidelberg.de.
2 Section of Periodontology, Department of Operative Dentistry, University Hospital Heidelberg, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany.
3 Department of Periodontology and Restorative Dentistry, University Hospital Münster, Waldeyer Str. 30, 48149, Münster, Germany.
4 Institute of Medical Biometry and Informatics, University Hospital Heidelberg, Im Neuenheimer Feld 130.3, 69120, Heidelberg, Germany.
5 Section of Endodontology, Department of Operative Dentistry, University Hospital Heidelberg, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany.
6 Department of Orthodontics, University Hospital Heidelberg, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany.