1. Predoctoral Research Associate; Ludwig-Maximilian University (LMU); Munich Germany
2. Professor, Dental Medical School; University of Graz; Austria
3. Head, Department of Oral Maxillofacial Surgery; Medical (JKU) University; Linz Austria
4. Department of Statistics; Johannes Kepler University Linz (JKU); Linz Austria
5. Professor, Dental Medical School; University of Vienna; Austria
6. Professor, Dental School, Prosthodontics; Ludwig-Maximilian University (LMU) Munich; Germany