About the Authors

Yasas Shri Nalaka Jayaratne

Affiliations Division of Orthodontics, Department of Craniofacial Sciences, University of Connecticut School of Dental Medicine, 263 Farmington Avenue, Farmington, Connecticut 06030, United States of America, Discipline of Oral & Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region

Roger Arthur Zwahlen

zwahlen@hku.hk

Affiliation Discipline of Oral & Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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