About the Authors

Sanjeewa Kularatna

s.kularatna@griffith.edu.au

Affiliations Centre for Applied Health Economics, School of Medicine, Griffith University, Brisbane, Queensland, Australia, Population and Social Health Research Programme, Griffith Health Institute, Griffith University, Brisbane, Queensland, Australia

Jennifer A. Whitty

Affiliations Centre for Applied Health Economics, School of Medicine, Griffith University, Brisbane, Queensland, Australia, Population and Social Health Research Programme, Griffith Health Institute, Griffith University, Brisbane, Queensland, Australia, School of Pharmacy, The University of Queensland, Brisbane, Queensland, Australia

Newell W. Johnson

Affiliation Population and Social Health Research Programme, Griffith Health Institute, Griffith University, Brisbane, Queensland, Australia

Ruwan Jayasinghe

Affiliation Faculty of Dental sciences, University of Peradeniya, Peradeniya, Sri Lanka

Paul A. Scuffham

Affiliations Centre for Applied Health Economics, School of Medicine, Griffith University, Brisbane, Queensland, Australia, Population and Social Health Research Programme, Griffith Health Institute, Griffith University, Brisbane, Queensland, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SK JW NJ PS. Performed the experiments: SK RJ. Analyzed the data: SK. Wrote the paper: SK JW NJ RJ PS.