About the Authors

Yasas S. N. Jayaratne

Affiliation Discipline of Oral and Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, Sai Ying Pun, Hong Kong

Curtis K. Deutsch

Affiliations Eunice Kennedy Shriver Center, University of Massachusetts Medical School, Waltham, Massachusetts, United States of America, Department of Psychiatry, Harvard Medical School, Boston, Massachusetts, United States of America

Colman P. J. McGrath

Affiliation Discipline of Periodontology and Public Health, Faculty of Dentistry, The University of Hong Kong, Sai Ying Pun, Hong Kong

Roger A. Zwahlen

zwahlen@hku.hk

Affiliation Discipline of Oral and Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, Sai Ying Pun, Hong Kong

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YSNJ RAZ. Performed the experiments: YSNJ. Analyzed the data: YSNJ CKD. Contributed reagents/materials/analysis tools: YSNJ CKD CPJM RAZ. Wrote the paper: YSNJ CKD CPJM RAZ.