About the Authors

Artur Araujo

Affiliation Competence Center for Methodology and Statistics, Luxembourg Institute of Health, Strassen, Luxembourg

Steven Julious

Affiliation Medical Statistics Group, School of Health and Related Research, University of Sheffield, Sheffield, United Kingdom

Stephen Senn

stephen.senn@lih.lu

Affiliation Competence Center for Methodology and Statistics, Luxembourg Institute of Health, Strassen, Luxembourg

Competing Interests

SS acts as a consultant to the pharmaceutical industry. As far as he aware, however, there is no conflict of interest. He maintains a full declaration of interests here http://www.senns.demon.co.uk/Declaration_Interest.htm.

Author Contributions

Conceptualization: SS. Data curation: SS. Formal analysis: AA SS. Funding acquisition: SS. Investigation: SS AA SJ. Methodology: SS. Project administration: SS. Resources: SS. Software: AA SS. Supervision: SS SJ. Validation: SS AA. Visualization: AA SS. Writing – original draft: SS. Writing – review & editing: SS AA SJ.