1. Centre for Immunobiology and Regenerative Medicine, Centre for Oral Clinical Research, Institute of Dentistry, Barts and the London School of Medicine and Dentistry; Queen Mary University of London (QMUL); London UK
2. Department of Periodontology, Kagoshima; University Graduate School of Medical and Dental Sciences; Kagoshima Japan
3. Department of Periodontology, School of Dental Medicine; University of Bern; Bern Switzerland