Affiliation: | ∗ Department of Oral Sciences, Sir John Walsh Research Institute, University of Otago Faculty of Dentistry, Dunedin, New Zealand;† Director, Sir John Walsh Research Institute, University of Otago Faculty of Dentistry, Dunedin, New Zealand;‡ Associate Professor, Oral Diagnostic and Surgical Sciences, University of Otago Faculty of Dentistry, Dunedin, New Zealand;§ Department of Anatomy and Structural Biology, University of Otago School of Medical Sciences, Dunedin, New Zealand;|| Department of Oral Sciences, Sir John Walsh Research Institute, University of Otago Faculty of Dentistry, Dunedin, New Zealand;¶ Associate Professor, Department of Periodontics, University of Otago Faculty of Dentistry, Dunedin, New Zealand |