1. Department of Endodontics Centre for Oral, Clinical and Translational Sciences Faculty of Dentistry Oral & Craniofacial Sciences King's College London London UK
2. Department of Endodontics Faculty of Dentistry King Abdulaziz University Jeddah Saudi Arabia
3. Centre for Host Microbiome Interactions Faculty of Dentistry Oral & Craniofacial SciencesKing's College London London UK
4. LCN – London Centre for Nanotechnology, Bloomsbury London UK