1. Department of Mechanical Engineering, Imperial College London, London, UK
2. Centre for Host-Microbiome Interactions, Faculty of Dental, Oral and Craniofacial Sciences, King’s College London, London, UK
3. Centre for Oral, Clinical and Translational Sciences, Faculty of Dental, Oral and Craniofacial Sciences, King’s College London, London, UK
4. Dental Directorate, Guy’s and St Thomas, NHS Foundation Trust, London, UK