1. Section for Oral Ecology and Caries Control, Department of Dentistry and Oral Health, Aarhus University, Aarhus, Denmark.
2. Central Laboratory, Department of Dentistry and Oral Health, Aarhus University, Aarhus, Denmark.
3. Interdisciplinary Nanoscience Center (iNANO), Science and Technology, Aarhus University, Aarhus, Denmark.
4. Novozymes A/S, Kgs. Lyngby, Denmark.