1. Centre for the Cellular Microenvironment, University of Glasgow, Rankine Building, 79−85 Oakfield Ave, Glasgow G12 8LT, United Kingdom
2. Faculty of Dentistry, McGill University, Strathcona Building, 3640 University Street, Montreal, Quebec H3A 2B2, Canada
3. Faculty of Dentistry, Benghazi University, Benghazi 9504, Libya
4. Centre for the Cellular Microenvironment, University of Glasgow, Joseph Black Building, University Pl, Glasgow G12 8QQ, United Kingdom
5. College of Dental Medicine, Qatar University, Doha, Qatar