About the Authors
- Ewout W Steyerberg, Nino Mushkudiani, J. Dik F Habbema
- Center for Medical Decision Sciences, Department of Public Health, Erasmus MC, Rotterdam, The Netherlands
- Pablo Perel, Ian Roberts
- London School of Hygiene and Tropical Medicine, Nutrition and Public Health Intervention Research Unit, London, United Kingdom
- Isabella Butcher, Gillian S McHugh, Gordon D Murray
- Division of Community Health Sciences, University of Edinburgh, Scotland
- Juan Lu, Anthony Marmarou
- Department of Neurosurgery, Virginia Commonwealth University, Richmond, Virginia, United States of America
- Andrew I. R Maas
- Department of Neurosurgery, Erasmus MC, Rotterdam, The Netherlands
The authors have declared that no competing interests exist.
EWS, NM, PB, and AIRM designed the study. EWS and NM analyzed the data. EWS wrote the first draft of the paper. EWS, PP, IB, JL, GSM, GDM, AM, IR, JDFH, and AIRM contributed to writing the paper. NM, PP, IB, JL, and GSM participated in the collection of data and organization of the databases from which this manuscript was developed. This work reflects the combined efforts of the IMPACT study project.