About the Authors

Handan Wand

hwand@kirby.unsw.edu.au

Affiliation The Kirby Institute, University of New South Wales, Sydney, Australia

Jenny Iversen

Affiliation The Kirby Institute, University of New South Wales, Sydney, Australia

Matthew Law

Affiliation The Kirby Institute, University of New South Wales, Sydney, Australia

Lisa Maher

Affiliation The Kirby Institute, University of New South Wales, Sydney, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LM JI HW. Analyzed the data: HW. Contributed reagents/materials/analysis tools: HW JI LM. Wrote the paper: HW JI ML LM. Analysed the data and created the computer script: HM. Principal investigator of the NSP study: LM. Implemented the study: JI. Interpreted the results, drafted the manuscript and contributed to revisions: HW ML JI LM. Re-proofed the manuscript: HW JI ML LM. Read and approved the final manuscript: HW JI ML LM.