1. School of Dental Sciences Newcastle University Newcastle upon Tyne UK
2. Center for Microbial Pathogenesis The Abigail Wexner Research Institute at Nationwide Children's HospitalThe Ohio State University College of Medicine Columbus Ohio USA
3. Integrated Biosciences School of Clinical Dentistry University of Sheffield Sheffield UK
4. Department of Conservative Dentistry and Periodontology University Hospital Regensburg Regensburg Germany