About the Authors

Ramon Pires

pires.ramon@ic.unicamp.br

Affiliation Institute of Computing, University of Campinas, Campinas, São Paulo, Brazil

Tiago Carvalho

Affiliation Institute of Computing, University of Campinas, Campinas, São Paulo, Brazil

Geoffrey Spurling

Affiliations The Southern Queensland Centre of Excellence in Aboriginal and Torres Strait Islander primary health care, Queensland Health, Brisbane, Australia, Discipline for General Practice, School of Medicine, Brisbane, Queensland, Australia

Siome Goldenstein

Affiliation Institute of Computing, University of Campinas, Campinas, São Paulo, Brazil

Jacques Wainer

Affiliation Institute of Computing, University of Campinas, Campinas, São Paulo, Brazil

Alan Luckie

Affiliation Retinal Division, Albury Eye Clinic, Albury, New South Wales, Australia

Herbert F. Jelinek

Affiliations Australian School of Advanced Medicine, Macquarie University, Sydney, New South Wales, Australia, Centre for Research in Complex Systems and School of Community Health, Charles Sturt University, Albury, New South Wales, Australia

Anderson Rocha

Affiliation Institute of Computing, University of Campinas, Campinas, São Paulo, Brazil

Competing Interests

This work was supported in part by Microsoft Research (http://www.microsoft.com), São Paulo Research Foundation FAPESP (http://www.fapesp.br) under the grants MSRFapesp 2008/544432 and Fapesp 2010/056474, and Samsung (http://www.samsung.com). The private companies involved did not interfere in any form with the research, its directions or its results, and therefore does not alter the authors’ adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: RP TC. Performed the experiments: RP TC. Analyzed the data: RP TC GS SG JW AL HFJ AR. Contributed reagents/materials/analysis tools: GS AL HFJ. Wrote the paper: RP TC SG JW HFJ AR.