About the Authors

Jong-Wook Ban

jong-wook.ban@conted.ox.ac.uk

Affiliation Evidence-Based Health Care Programme, Department of Continuing Education, Kellogg College, University of Oxford, Oxford, United Kingdom

José Ignacio Emparanza

Affiliation CASPe, CIBER-ESP, Clinical Epidemiology Unit, Hospital Universitario Donostia, San Sebastian, Spain

Iratxe Urreta

Affiliation CASPe, CIBER-ESP, Clinical Epidemiology Unit, Hospital Universitario Donostia, San Sebastian, Spain

Amanda Burls

Affiliation School of Health Sciences, City University London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JB JE IU AB. Performed the experiments: JB JE IU AB. Analyzed the data: JB JE IU AB. Contributed reagents/materials/analysis tools: JB JE IU AB. Wrote the paper: JB JE IU AB.