About the Authors

Ingrid Toews

Affiliation Cochrane Germany, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany

Nadine Binder

Affiliation Institute for Medical Biometry and Statistics, Faculty of Medicine and Medical Center - University of Freiburg, Freiburg, Germany

Robert F. Wolff

Affiliation Kleijnen Systematic Reviews Ltd, Unit 6, Escrick Business Park, Escrick, York, United Kingdom

Guenes Toprak

Affiliation Cochrane Germany, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany

Erik von Elm

Affiliation Cochrane Switzerland, Institute of Social and Preventive Medicine (IUMSP), Lausanne University Hospital, Lausanne, Switzerland

Joerg J. Meerpohl

meerpohl.jj@gmail.com

Affiliations Cochrane Germany, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany, Centre de Recherche Épidémiologie et Statistique Sorbonne Paris Cité – U1153, Inserm / Université Paris Descartes, Cochrane France, Hôpital Hôtel-Dieu, Paris, France

Competing Interests

The authors have declared that no competing interests exist. The commercial affiliation with Kleijnen Systematic Reviews Ltd. does not alter our adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceptualization: IT NB RFW EvE JJM. Formal analysis: NB. Investigation: IT RFW EvE GT JJM. Methodology: IT NB JJM. Project administration: JJM. Supervision: JJM. Visualization: IT NB JJM. Writing – original draft: IT NB RFW EvE JJM. Writing – review & editing: IT NB RFW EvE JJM.