1. Department of Oral and Maxillofacial Surgery, Translational Implantology Medical Center – University of Freiburg, Faculty of Medicine, University of Freiburg Freiburg Germany
2. Institute of Medical Biometry and Statistics, Medical Center – University of Freiburg, Faculty of Medicine, University of Freiburg Freiburg Germany
3. Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität zu Berlin Berlin Germany