About the Authors

John P. A. Ioannidis


Affiliation Departments of Medicine, Health Research and Policy, Biomedical Data Science, and Statistics and Meta-Research Innovation Center at Stanford (METRICS), Stanford University, Stanford, California, United States of America

Jeroen Baas

Affiliation Research Intelligence, Elsevier B.V., Amsterdam, the Netherlands

Richard Klavans

Affiliation SciTech Strategies, Inc., Wayne, Pennsylvania, United States of America

Kevin W. Boyack

Affiliation SciTech Strategies, Inc., Albuquerque, New Mexico, United States of America

Competing Interests

The authors have declared that no competing interests exist. JPAI is a member of the editorial board of PLoS Biology. Jeroen Baas is an Elsevier employee. Elsevier runs Scopus, which is the source of this data, and also runs Mendeley Data where the database is now stored.