1. Department of Biomedical Engineering, University of Groningen and University Medical Center Groningen, Groningen, The Netherlands
2. College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, P.R. China
3. Department of Orthodontics, University of Groningen and University Medical Center Groningen, Groningen, The Netherlands
4. Singapore Centre for Environmental Life Sciences/Engineering and the School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
5. Faculty of Chemistry, Biofilm Centre, University of Duisburg-Essen, Essen, Germany
6. Faculty of Chemistry, Physical Chemistry, University of Duisburg-Essen, Essen, Germany