About the Authors

Andrew J. Stewardson

andrew.stew@rdson.net

Affiliation Infection Control Program and World Health Organization Collaborating Centre on Patient Safety, University of Geneva Hospitals and Faculty of Medicine, Geneva, Switzerland

Anne Iten

Affiliation Infection Control Program and World Health Organization Collaborating Centre on Patient Safety, University of Geneva Hospitals and Faculty of Medicine, Geneva, Switzerland

Véronique Camus

Affiliation Infection Control Program and World Health Organization Collaborating Centre on Patient Safety, University of Geneva Hospitals and Faculty of Medicine, Geneva, Switzerland

Angèle Gayet-Ageron

Affiliations Infection Control Program and World Health Organization Collaborating Centre on Patient Safety, University of Geneva Hospitals and Faculty of Medicine, Geneva, Switzerland, Division of Clinical Epidemiology, University of Geneva Hospitals and Faculty of Medicine, Geneva, Switzerland

Darren Caulfield

Affiliation Glanta Ltd, Dublin, Ireland

Gerard Lacey

Affiliations Glanta Ltd, Dublin, Ireland, School of Computer Science and Statistics, Trinity College Dublin, Dublin, Ireland

Didier Pittet

Affiliation Infection Control Program and World Health Organization Collaborating Centre on Patient Safety, University of Geneva Hospitals and Faculty of Medicine, Geneva, Switzerland

Competing Interests

Trinity College Dublin has been granted patents related to SureWash in USA (US 8090155 B2, Hand washing monitoring system) and EU (EP 2015665 B1, A Hand Washing Monitoring System). These are licensed to Glanta Ltd, a Trinity College Dublin spin-out company that markets the device. DC is a paid employee of Glanta Ltd. GL is co-inventor of SureWash, and founder and chairman of Glanta Ltd. The other authors declare no conflicts of interest. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials. AS and DP had full access to all data and vouch for the results.

Author Contributions

Conceived and designed the experiments: AS AI VC AGA DC GL DP. Performed the experiments: AS AI VC DP. Analyzed the data: AS. Wrote the paper: AS. Developed trial-specific software: DC. Critical review and revision of the manuscript: AI VC AGA DC GL DP.