About the Authors

Victoria A. Wade

victoria.wade@adelaide.edu.au

Affiliation Discipline of Public Health, The University of Adelaide, Adelaide, Australia

Jonathan Karnon

Affiliation Discipline of Public Health, The University of Adelaide, Adelaide, Australia

Jaklin A. Eliott

Affiliation Discipline of General Practice, The University of Adelaide, Adelaide, Australia

Janet E. Hiller

Affiliations Discipline of Public Health, The University of Adelaide, Adelaide, Australia, Australian Catholic University, Melbourne, Australia

Competing Interests

Victoria Wade declares that she is the unpaid medical director of Design Networks Pty Ltd, a small Adelaide based company that supplied the videophones and network used by RDNS SA to deliver the home videophone service. VW has received reimbursement for conference attendance from Design Networks and Telstra, an Australian telecommunications company. The other authors declare that they have no conflicting interests in the work. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: VW JK JE JH. Performed the experiments: VW JK. Analyzed the data: VW JK JE. Wrote the paper: VW JK JE JH.