1. Dental Academy for Continuing Professional Development; Karlsruhe Germany
2. Clinic of Operative Dentistry, Periodontology and Preventive Dentistry; University Hospital; Saarland University; Homburg Germany
3. Institute of Functional Interfaces; Karlsruhe Institute of Technology (KIT); Karlsruhe Germany
4. Microbial Interactions and Processes Research Group; Helmholtz Centre for Infection Research; Braunschweig Germany