About the Authors

John P. A. Ioannidis

Roles Conceptualization, Investigation, Methodology, Project administration, Supervision, Writing – original draft

jioannid@stanford.edu

Affiliations The Meta-Research Innovation Center at Stanford (METRICS), Stanford, CA, United States of America, The Meta-Research Innovation Center Berlin (METRIC-B), Berlin, Germany

Ioana-Alina Cristea

Roles Data curation, Methodology, Validation, Writing – review & editing

Affiliations The Meta-Research Innovation Center at Stanford (METRICS), Stanford, CA, United States of America, Department of Brain and Behavioral Science, University of Pavia, Pavia, Italy

Kevin W. Boyack

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Methodology, Resources, Software, Visualization, Writing – review & editing

Affiliation SciTech Strategies, Inc., Albuquerque, NM, United States of America

Competing Interests

KWB is an employee of SciTech, Inc. This does not alter our adherence to PLOS ONE policies on sharing data and materials.