[1
]
Unilever Research and Development, Vlaardingen, The Netherlands.
[2
]
Unit of Periodontology, University Medicine, Ernst-Moritz-Arndt University Greifswald,
Greifswald, Germany.
[3
]
Unilever Research and Development, Bebington, UK.
[4
]
Institute for Community Medicine, University Medicine, Ernst-Moritz-Arndt-University
Greifswald, Greifswald, Germany.
[5
]
Institute of Clinical Chemistry and Laboratory Medicine, University Medicine, Ernst-Moritz-Arndt-University
Greifswald, Greifswald, Germany.
[6
]
Department of Oral Surgery, School of Dentistry, University of Birmingham, Birmingham,
UK.