1. Periodontology Unit, Centre for Host Microbiome Interactions, Faculty of Dentistry, Oral & Craniofacial Sciences, King's College London UK
2. Refugee Crisis Foundation London UK
3. Refugee Crisis Foundation Dhaka Bangladesh
4. Dental Public Health Group, Centre for Host Microbiome Interactions, Faculty of Dentistry, Oral & Craniofacial Sciences, King's College London London UK
5. Departamento Académico de Odontología Social, Facultad de Estomatología Universidad Peruana Cayetano Heredia Lima Peru