Universitätsklinikum Würzburg, Würzburg, Bayern, Germany
Sana Adipositaszentrum NRW, Remscheid, Nordrhein-Westfalen, Germany
Sana Adipositaszentrum Offenbach, Offenbach am Main, Hessen, Germany
Uniklinikum Aachen, Klinik für Allgemein-, Viszeral-und Transplantationschirurgie, Aachen, Nordrhein-Westfalen, Germany
Department of Cranio- and Maxillofacial Surgery, Würzburg, Germany
Wuerzburg University Hospital, Würzburg, Bayern, Germany
University Hospital Würzburg, Würzburg, Bavaria, Germany
Universitätsklinikum Ulm, Ulm, Baden-Wuerttemberg, Germany
Vivantes Klinikum Spandau, Berlin, Germany
Universitätsklinikum Münster, Münster, North Rhine-Westphalia, Germany
University Hospital Wuerzburg, Wuerzburg, Bavaria, Germany
University Children's Hospital, Würzburg, Bavaria, Germany
Section of Periodontology, Wuerzburg, Germany
Dept. of Periodontology, University Hospital Wuerzburg, Wuerzburg, Germany
Wuerzburg University Hospital, Würzburg, Bayern, Germany