1. Department of Biomaterials Science, Hiroshima University Faculty of Dentistry, 1-2-3 Kasumi, Minami-Ku, Hiroshima 734-8553, Japan, BIOMAT - Department of Operative Dentistry and Dental Materials, School of Dentistry, Oral Pathology and Maxillo-Facial Surgery, Catholic University of Leuven, Kapucijnenvoer 7, B-3000 Leuven, Belgium
2. BIOMAT - Department of Operative Dentistry and Dental Materials, School of Dentistry, Oral Pathology and Maxillo-Facial Surgery, Catholic University of Leuven, Kapucijnenvoer 7, B-3000 Leuven, Belgium,
3. Surface Science Laboratory, Toray Research Centre Inc., Sonoyama 3-3-7, Otsu, Shiga 520-8567, Japan
4. Department of Biomaterials Science, Hiroshima University Faculty of Dentistry, 1-2-3 Kasumi, Minami-Ku, Hiroshima 734-8553, Japan
5. Laboratory for Chemical and Biological Dynamics, Department of Chemistry, Catholic University of Leuven, Celestijnenlaan 200D, B-3001 Heverlee, Belgium
6. Department of Removable Prosthodontics, Hiroshima University Faculty of Dentistry, 1-2-3 Kasumi, Minami-Ku, Hiroshima 734-8553, Japan
7. BIOMAT - Department of Operative Dentistry and Dental Materials, School of Dentistry, Oral Pathology and Maxillo-Facial Surgery, Catholic University of Leuven, Kapucijnenvoer 7, B-3000 Leuven, Belgium