1 Department of Oral and Maxillofacial Surgery, Oral Medicine and Oral Pathology, Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland. Electronic address: mulvihci@tcd.ie.
2 Departments of Paediatric Dentistry, Children's Health Ireland at Crumlin, Dublin and Dublin Dental University Hospital, Dublin, Ireland.
3 Department of Oral and Maxillofacial Surgery, Oral Medicine and Oral Pathology, Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland.
4 Department of Paediatric Immunology and Infectious Diseases, Children's Health Ireland at Crumlin, Dublin, Ireland; Department of Paediatrics, School of Medicine, University of Dublin, Trinity College, Dublin, Ireland.